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Class Information
Number: 15
Name: Brushing, scrubbing, and general cleaning >
Description: This class is intended for the assembly of patents for apparatus (but not the process of use thereof, see (1) note) designed or adapted for cleaning - that is to say, for the removal of foreign matter - by any of the following means - viz., a draft or current of air, steam, or equivalent gaseous fluid, dry brushing along; brushing, and an applied liquid - i.e., scrubbing, beating, scraping, erasing, shaking, wiping, shotting, the use of squeegee, the application of an electrostatic field or any combination including one or more of these agencies - unless the inventions are so related or confined to or identified with some particular industrial art as to warrant classification therein, see the notes appended hereto.

Class Number	Class Name	No. of Patents
15/257.01	Accessories	112
15/258	Blacking-box and brush cases	5
15/259	Blacking-box holders	3
15/257.05	Coating applicator loading means	62
15/257.06	For loading roller type applicators	109
15/257.07	Inkwell	1
15/257.074	Anti-spill type	0
15/257.072	Including implement-actuated diaphragm to produce material moving force	0
15/257.075	Including implement-opened access means	1
15/257.076	Including means defining applicator-loading zone	1
15/257.073	Including means limiting immersion of penpoint	0
15/257.1	Debris receptacle (e.g., dustpan)	127
15/257.7	Adjustable, relatively movable or detachable handle	43
15/257.9	Auxiliary, flexible or reinforced edge	33
15/257.8	Foot or prop on rear of receptacle	6
15/257.5	Foothold or pedal operator	7
15/257.4	Receptacle gravitatable to material retaining position	28
15/257.3	Separate inlet and outlet	27
15/257.2	With means to attach to brush or broom	35
15/257.6	With movable closure	55
15/260	Mop wringers	65
15/261	Presser boards	40
15/262	Roller	39
15/263	Twisters	19
15/264	Scrubbing pails	61
15/265	Shoe-blacking stands	6
15/266	Polisher guides	1
15/267	Shoe clamps	6
15/246	Attachments	309
15/249.1	Brush or broom-type flue cleaner	24
15/247	Covers and cover holders	61
15/248.1	Drip cup or splash guard for a brush or broom	41
15/248.2	For roller	43
15/246.2	For a vacuum cleaner	51
15/246.4	Moveable carriage	1
15/246.3	With treating means (e.g., deodorizing, sterilizing, etc.)	23
15/256.5	Moving surface scraper, wiper, or brush	373
15/256.51	Roll cleaners	435
15/256.53	Reciprocating or traveling	81
15/256.52	Rotary	197
15/256.6	Strand	55
15/250.001	Optical-member-attachable cleaner (e.g., windshield wiper)	131
15/250.24	Chain, belt or cable carried cleaning element	38
15/250.25	Chain, belt or cable driven operating shaft	12
15/250.19	Cleaning element moved from surface	107
15/250.23	Cleaning element moved relative to arm when arm moves	87
15/250.15	Cleaning element spring returned	8
15/250.361	Cleaning element structure	62
15/250.43	Accommodates optical-member having curved surface	129
15/250.44	Articulated support structure	140
15/250.451	Specific backing member	75
15/250.453	Secured by articulated structure	29
15/250.454	Biased latching member	32
15/250.452	Securing a squeegee	46
15/250.46	Specific joint, hinge, or pivot	80
15/250.47	Spring type	10
15/250.39	Adjustable length	11
15/250.38	Longitudinal tensioning means for blade	11
15/250.41	Plural spaced surface engaging edges	115
15/250.48	Specific squeegee structure	162
15/250.4	Supplemental cleaning means brought into surface contact	51
15/250.37	With attached roller	5
15/250.21	Compound motion of oscillating arm	95
15/250.12	Constant speed or automatic motor control	66
15/250.18	Convertible to manual operation	2
15/250.002	Headlight cleaner	29
15/250.003	Mirror cleaner	70
15/250.27	Operating connection for plural oscillating cleaning elements	56
15/250.28	Opposed cleaning elements	11
15/250.14	Plural out-of-phase cleaning elements	13
15/250.202	Pressure adjusting means for cleaning element	28
15/250.203	Operated by remote control	22
15/250.11	Readily attached and detached cleaner for building windows	13
15/250.22	Rotating cleaning element	32
15/250.26	Screw type drive for reciprocating cleaning element	11
15/250.351	Specific arm structure	191
15/250.352	Between hub and extended arm	79
15/250.31	Specific coupling or mounting for a driving means or between a cleaning element and means linking it to the driving means	230
15/250.34	Arm-to-actuating shaft detail	119
15/250.32	Arm-to-cleaning element connection	275
15/250.33	Hinged longitudinally of cleaning element	30
15/250.13	Sweep varying or regulating means	70
15/250.201	Wind deflecting means	129
15/250.1	Window moved on cleaner	28
15/250.05	With heating means	54
15/250.06	Embedded in wiper blade	39
15/250.07	Movable with cleaning element	34
15/250.09	Heating element between plural blades	3
15/250.08	Laterally offset to engage pane	1
15/250.01	With material applying means	96
15/250.04	Applying means moves with cleaning element	121
15/250.02	Coordinated operation of cleaner and applying means	42
15/250.03	Supply source carried by cleaning element	26
15/250.3	With means to oscillate arm	228
15/250.29	With means to reciprocate cleaning element	72
15/250.16	With parking means	117
15/250.17	Electrical	83
15/249.2	Scraper-type flue cleaner	5
15/249.3	Suspended by a taut member (e.g., wire, rope, chain, etc.)	14
15/246.5	Tank cleaners	49
15/DIG.2	Car cleaning plants	264
15/DIG.7	Driers	4
15/DIG.8	Dust bags and separators	11
15/DIG.9	Dust mop cleaners	3
15/1.51	Electrostatic cleaning	191
15/1.52	Hand implement	33
15/DIG.4	Ferrules	17
15/DIG.10	Handles, reels and switches	27
15/104.001	Implements	86
15/104.002	Adhesive lint remover	123
15/141.1	Beater	6
15/141.2	Rotary	13
15/245.1	Bladed spreader	99
15/159.1	Brush or broom	140
15/168	Bridles	29
15/169	Adjustable	56
15/170	Straw supported	1
15/207.2	Bristle configuration or composition	332
15/171	Heads and casings	32
15/172	Adjustable head	226
15/173	Axial clamp	0
15/174	Bands	8
15/175	Braces, caps, and shields	24
15/176.1	Detachable head	154
15/176.4	Perpendicularly insertable	43
15/176.5	With securing means	35
15/176.2	With handle-head cooperating threads	49
15/176.3	With screw-type fastener	29
15/176.6	With securing means	113
15/177	Lateral clamp	12
15/178	Pivoted jaw	11
15/179	Rotary	161
15/180	Disk	91
15/181	Laminated	33
15/182	Spiral bristle mount	58
15/183	Tuft-holding bar	67
15/184	Housings	124
15/185	Pivoted	51
15/186	Individual-bristle mount	57
15/187	Integral	68
15/188	Rubber	66
15/160	Special work	489
15/161	Boot cleaners	67
15/164	Hollow-ware cleaners	52
15/165	Collapsible	11
15/166	Stripping	16
15/167.1	Tooth or nail brush	928
15/167.2	Concurrently brushes plural tooth surfaces	93
15/167.3	Nail brush	34
15/189	Stitched and wire bound	9
15/190	Tuft fasteners	13
15/191.1	Tuft socket	34
15/192	Cemented	17
15/193	Plastic mass	42
15/194	Detachable tuft	21
15/195	Folded tuft	29
15/196	Drawn work	4
15/197	Metal bristle	1
15/198	Rotary	40
15/199	Retaining wire	14
15/205.2	Fountain	18
15/200	Metal bristle	33
15/201	Movable tuft section	121
15/202	Detachable	51
15/203	Folding	34
15/204	With core	11
15/205	Folded tuft	12
15/206	Twisted bristle holder	126
15/207	Wire wound	12
15/104.5	Comb cleaners	10
15/104.51	Multiple strand type	1
15/104.52	With rigid supporting frame	4
15/104.54	Non-planar groups of strands	0
15/104.53	With attached brush	3
15/105	Combined	394
15/110	Brush and massage-tool	144
15/111	Brush and scraper	182
15/112	Boot cleaners	15
15/113	Hand	8
15/117	Brush and squeegee	43
15/114	Brush and wiper	136
15/116.1	Mop and wringer	13
15/116.2	Sponge mop	26
15/115	Mop	34
15/106	Brush	186
15/107	Dauber and polisher	6
15/105.51	Eraser	4
15/105.52	And brush	1
15/105.53	And cutter	3
15/105.5	Mortar-joint finisher	20
15/118	Wiper	251
15/119.1	Mop and wringer	41
15/119.2	Sponge mop	147
15/120.1	Twister	38
15/120.2	Assisted by modified handle	29
15/121	Squeegee	85
15/104.011	Cylinder, piston or plug cleaner	12
15/104.012	Piston groove	2
15/424	Eraser	24
15/425	Including handling means	14
15/426	And means for non-use attachment to a support	3
15/434	Directly adjustable erasive body	4
15/433	Including advancing means for erasive body	15
15/427	Which is pencil sheath or casing	11
15/428	Eraser attachable to fore-end of sheath or casing	12
15/429	Including advancing means for erasive body	12
15/430	Axially adjustable sleeve	1
15/431	Including enclosure for base of erasive body	10
15/432	Multi-partite handling means	0
15/208	Fabric	88
15/209.1	Wiper, dauber, or polisher	456
15/221	Collection chamber	12
15/222	End grip	76
	Laminated
15/226	Strands	33
15/227	Mitts, cots, and shoes	292
15/228	Mops and heads	250
15/229.1	Having strands	84
15/229.2	With fixed handle	70
15/229.3	And cloth sheath type head	21
15/229.4	And pocket type head	31
15/229.5	And twisted wire frame	1
15/229.6	With pivoted handle	31
15/229.7	And cloth sheath type head	10
15/229.8	And pocket type head	45
15/229.9	And twisted wire frame	0
15/229.14	Powder puff	7
15/230	Rotary	134
15/230.12	Adhesively bound parts	48
15/230.13	Coil wound	12
15/230.17	Fabric-piercing securing element	61
15/230.16	Interrupted work engaging surface	100
15/230.11	Roller with handle	281
15/230.14	Sectored disc or cylinder	46
15/230.15	Stitched laminates	10
15/230.1	With cooling means	10
15/230.19	With discrete mechanical fabric securing means	61
15/230.18	Working surface dished inwardly or outwardly	37
15/229.11	Scourer (hand manipulated)	112
15/229.12	Fibrous mass (e.g., steel wool)	44
15/229.13	With handle or holder	64
15/231	Sheet holders	153
15/232	Window cleaners	20
15/210.1	Special work	549
15/218.1	Cutlery cleaners	26
15/210.5	Graining implements	16
15/211	Hollow-ware cleaners	37
15/212	Expansible	7
15/213	Rotary	2
15/214	Lens cleaners	60
15/215	Mats	157
15/216	Combined	48
15/217	Tuft carrying	83
15/218	Razor cleaners	10
15/220.4	Rod or wire cleaner (e.g., dipstick cleaner)	76
15/220.3	Venetian blind cleaner	23
15/219	Wall-paper cleaners	0
15/220.1	Window cleaner	50
15/220.2	Magnetic	18
15/233	Tension frame	10
15/223	Work face with exposed laminae	29
15/224	Channeled	11
15/225	Coil	12
15/234	Feather	14
15/142	Grids and combs	52
15/147.1	Holder, mop	97
15/148	Convertible	4
15/149	Expansible	2
15/147.2	Nonclamped	62
15/150	Pivoted jaw	39
15/151	Sliding jaw	14
15/152	Lever operated	4
15/153	Screw operated	8
15/154	Spring wire and runner	0
15/154.2	With shaker	1
15/146	Holders, brush and broom	54
15/104.9	Machine-attachable bottle washing implement	6
15/235.4	Mason's trowel or float	126
15/235.8	Adjustable	66
15/235.7	Corner type	60
15/235.5	Darby type	4
15/235.6	Undulated	16
15/235.3	Mortar-joint finisher or simulator	42
15/143.1	Particular handle	405
15/144.1	Adjustable	258
15/144.2	Universally	78
15/144.3	Variable length	42
15/144.4	Telescopic	143
15/145	Detachable	324
15/235	Pelts	11
15/423	Pen cleaner	3
15/435	Penpoint or penholder	5
15/438	Including manually adjustable gripping or releasing means for penpoint	0
15/442	And ejector	0
15/441	Including opposed, relatively axially movable gripping members	0
15/439	Pivoted or arcuately movable	0
15/440	About axis of penholder	0
15/436	Including projectable and retractable penpoint	1
15/444	Penholder includes specific penpoint retaining means	2
15/443	Penholder shaped to receive or engage hand or finger	38
15/445	Specific penpoint	4
15/447	Bifurcate	1
15/446	Specific material	1
15/437	With means supporting or stabilizing implement in use	9
15/104.03	Pipe, tube, or conduit cleaner	44
15/104.05	Inside	235
15/104.066	Brush or broom flue cleaner	16
15/104.067	Suspended by a taut member (e.g., wire, rope, chain, etc.)	18
15/104.061	Fluid current operated	207
15/104.062	Cleaner plug insertion or removal device	116
15/104.063	Scraper with signalling device	17
15/104.07	Hammer	21
	Reciprocating tool
15/104.15	Plural rotary cutter	6
15/104.16	Scraper, cutter, wiper or brush	163
15/104.17	Expanding at both ends	7
15/104.18	Expanding at one end	23
15/104.19	Expanding between ends	14
15/104.165	Non-piercing fabric holder	24
15/104.2	Radial bristle	104
15/104.09	Rotary tool	82
15/104.14	Centrifugally pivoted	15
15/104.12	Contiguous fluid motor	46
15/104.13	Plural rotary cutter	8
15/104.095	Power source outside tube end	106
15/104.096	Container cleaner	35
15/104.11	Inside boiler drum	6
15/104.068	Scraper flue cleaner	28
15/104.069	Suspended by a taut member (e.g., wire, rope, chain, etc.)	19
15/104.31	Sewer	101
15/104.32	Grapple	13
15/104.33	Snake	170
15/104.08	Tube deformer	1
15/104.04	Outside	220
15/104.02	Reamers	10
15/236.01	Scrapers	268
15/236.07	Arcuate scraping edge	102
15/237	Boot cleaners	41
15/238	Mats	46
15/239	Pivoted link	4
15/240	Filler block	1
15/241	Wire	5
15/236.09	For plural surfaces	48
15/236.04	Gutter	42
15/236.03	Paint roller	19
15/236.05	Plural bladed	109
15/236.06	Simultaneously useable	80
15/236.1	Rotary	43
15/236.08	Toothed or serrated	124
15/236.02	Windshield	85
15/244.1	Sponge or sponge with holder	386
15/244.3	Having fabric cover or back	113
15/244.2	Having pivoted handle	80
15/244.4	Sponge	101
15/245	Squeegee	216
15/104.92	Stationary implement with material supply	211
15/104.93	Tool coated or impregnated with material supply	267
15/104.94	Including means for manual manipulation of implement	272
15/104.8	With coacting material receiver	35
15/DIG.11	Indicators	4
15/3	Machines	125
15/89	Beating	13
15/90	Rotary drum	7
15/91	Stationary work	8
15/92	Portables	11
15/21.1	Brushing	236
15/21.2	Ball cleaner	89
15/36	Boot cleaners and polishers	28
15/37	Reciprocating brush	8
15/30	Boot cleaning, blacking, and polishing	7
15/31	Polish supplying	6
15/33	Reciprocating brush	3
15/34	Rotary brush	24
15/35	Planetary	1
15/32	Rotary reciprocating brush	3
15/38	Brush cleaners	30
15/39	Comb cleaners	4
15/88.4	Cylindrical brush moves past work	79
15/40	Flexible-fabric cleaners	27
15/41.1	Carpet sweeper	99
15/42	Auxiliary brush	44
15/48.2	Bellows type	0
15/43	Combined fan and brush	6
15/44	Dust laying	4
15/45	Fenders	4
15/46	Manual motor	4
15/47	Non-rotary	7
15/48.1	Unidirectional drive	6
15/48	With brush cleaner	15
15/49.1	Floor and wall cleaner	264
15/52.1	Cylindrical brush	106
15/52.2	Reciprocating brush	15
15/50.1	Scrubber	146
15/50.3	Cylindrical brush	81
15/51	Endless wiper	17
15/50.2	Reciprocating brush	18
15/52	Rotary wiper	21
15/22.1	Handle mount	508
15/22.3	Belt brush	9
15/22.2	Reciprocating tool	102
15/23	Rotary cylinder	134
15/24	Fountain	73
15/25	Manual motor	7
15/26	Alternating	12
15/27	Traction operated	43
15/28	Rotary disk	296
15/29	Fountain	155
15/22.4	Swinging tool	33
15/54	Rail sweepers	8
15/55	Rotary brush	23
15/56	Receptacle cleaners	56
15/57	Barrel	5
15/58	Single stage	3
15/59	Bottle	15
15/60	Endless carrier	9
15/61	Tank	1
15/62	Reciprocating bottle rack	1
15/63	Rotary carrier	7
15/64	Tank	0
15/65	Single bottle	13
15/66	Bottle guide	1
15/67	Neck cleaners	0
15/68	Reciprocating brush	1
15/69	Water motor	3
15/70	Can	14
15/71	Inside brush	8
15/72	Collapsible	5
15/73	Cuspidor	0
15/74	Dish	10
15/75	Tumbler	10
15/76	Immersion	8
15/77	Sheet, bar, and plate cleaners	421
15/78	Street sweepers	43
15/80	Belt brush	9
15/79.1	Hand directed	31
15/79.2	Motor powered sweeper	37
15/81	Reciprocating brush	4
15/82	Rotary-brush cylinder	76
15/83	Collector	129
15/84	Elevator belt	46
15/85	Elevator pan	2
15/86	Elevator wheel	0
15/87	Rotary-brush disk	63
15/39.5	Table top or tablecloth cleaner	1
15/53.1	Vehicle cleaner	32
15/53.2	Cylindrical brush	83
15/53.3	Moving vehicle	90
15/53.4	Wheel washer	46
15/88	Wire, rod, and tube cleaners	132
15/88.1	Work moves past nonrotatable brush	56
15/88.2	Work moves past rotatable brush	156
15/88.3	Cylindrical brush	261
15/4	Combined	119
15/5	Beater and brush	13
15/3.53	Erasing	21
15/3.1	For fruit, vegetables, meat or eggs	13
15/3.12	Fluid application and/or work heating (e.g., drying)	14
15/3.13	Work moved through apparatus	31
15/3.14	Liquid application only	14
15/3.15	Work treating element and/or work immersed	14
15/3.11	With assorting or screening	17
15/3.16	Work moved through apparatus	24
15/3.19	Fixed axis rotary work treating conveyor	7
15/3.2	Axial work feed	19
15/3.17	Transverse axis work treating elements	20
15/3.18	Longitudinally movable elements	2
15/3.21	Work conveyor mounted work treating elements	6
15/93.1	Scraping	192
15/93.2	Coke oven cleaner	36
15/93.3	Ditcher	7
15/93.4	Pallet, board, panel, etc.	9
15/94	Shaking	19
15/95	Shotting	6
15/96	Shakers	0
15/97.1	Wiping	372
15/98	Floor and wall cleaner	310
15/99	Endless belt	23
15/100	Photographic-film cleaners	75
15/101	Receptacle cleaners	17
15/103.5	Rolling contact type with material supply	38
15/102	Sheet, bar, and plate cleaners	332
15/97.2	Shoe polisher	9
15/97.3	Vehicle cleaner	139
15/103	Window cleaners	50
15/300.1	With air blast or suction	57
15/405	Air blast only	220
15/406	For hollow work, internal cleaning, e.g., tube soot-blowers	63
15/408	With induced flow of ambient air, e.g., jet pump	4
15/407	Work operated valve	4
15/345	Air blast with suction	264
15/346	Closed circuit systems, i.e., air recirculating	138
15/339	Combined, e.g., with signal or indicator	658
15/328	Convertible	165
15/338	Converter attached to floor nozzle mouth	44
15/331	Plural selective air draft means, e.g., on-floor to off-floor	85
15/334	Floor nozzle air flow diverted to off-floor cleaning means	98
15/337	By insertion or attachment of additive converter	28
15/335	Tubular handle, e.g., "air-way" type	29
15/336	With supporting means, e.g., wall-mounted clamp	4
15/332	With agitator and/or fan interlock, e.g., floor or rug safety feature	25
15/333	Floor nozzle elevating	15
15/330	Suction to or from blast	111
15/329	To or from hand held and hand manipulated	55
15/414	Detachable and/or extension nozzles	102
15/301	Fixed position cleaners or installed cleaning systems	189
15/316.1	Air blast only (e.g., boiler soot-blower)	286
15/318	Moving nozzle with air supply control interlocked with nozzle motion means	23
15/318.1	Sequence control	30
15/317	With blowing element housing or protecting feature, e.g., embedded, disappearing or cooling	42
15/313	Installed in automobile or other vehicle for the cleaning thereof	45
15/312.1	With fixed guide for ambulant air draft applying means	125
15/312.2	Flexible tube	38
15/314	With flexible conduit connection between ambulant air draft applying means and relatively stationary air pump or supply	151
15/315	Extensible and retractable conduit	83
15/302	With liquid or other cleaning material application to work	340
15/303	With work handling or supporting	58
15/304	Hollow work internal cleaning, e.g., bag and/or bottle cleaners	185
15/310	Manual application of work to cleaning means	71
15/311	With moving work-agitating means	32
15/305	Tumbling cylinders or cages	14
15/306.1	With means to guide or move the work to or through a cleaning station or treating means	73
15/309.1	Indefinite length article	172
15/309.2	Plurality of discrete articles	134
15/308	With work agitator, e.g., brushing, beating, shaking	147
15/309	Plural diverse types, e.g., beating and brushing	13
15/307	With work-width compensating features	24
15/344	Hand supported and manipulated, e.g., miniature or upholstery type	366
15/410	Handle features, e.g., limit stops or storage locks	253
15/411	Angular or lateral adjustment of cleaner by axial rotation of handle	18
15/324	Illuminator for work area	40
15/409	Jet pump suction-devices	92
15/412	Motor features, e.g., housing or casing assemblies	180
15/413	Air cooling by other than main air stream	77
15/415.1	Nozzle	248
15/422.1	Width changes along transverse dimension	14
15/419	With air flow control means, e.g., work-operated valve	39
15/418	With area adjusting, e.g., restrictors	41
15/421	With auxiliary inlet for ambient air, e.g., vacuum relief	55
15/422	With guard to inhibit work entry into nozzle mouth	34
15/420	With notched or grooved lips for localized intensification of air draft	71
15/416	With plural mouths selectively usable, e.g., "duplex" nozzles	66
15/417	Top and bottom reversible type	14
15/422.2	Plural fans	35
15/340.1	Power propelled vehicle or carrier	268
15/340.3	Including brush	128
15/340.4	Plural brushes	86
15/340.2	Maneuvered by walking attendant	76
15/327.1	Tank type cleaner organization	108
15/327.2	Casing feature	136
15/327.3	Air float or support	13
15/327.4	Cleaner encircling roller	3
15/327.5	Off-the-floor support (e.g., operator supported)	74
15/327.7	Horizontally aligned motor and filter	58
15/327.6	Vertically aligned motor and filter	81
15/341	Traction or manual operation of air pump or fan	32
15/342	Rotary air impeller	2
15/343	Hand cranked	2
15/319	With automatic control	376
15/347	With dust or dirt handling or storing or separating, e.g., filter bags	367
15/352	Separator element cleaning in situ and/or storage or removal of retained dirt	448
15/350	Separator mounted on or attached to manipulating handle, e.g., push broom type	167
15/351	Handle movable relative to floor tool air exhaust conduit	152
15/348	With conveying means additional to air stream	39
15/353	With liquid and/or deflection type separator	746
15/349	With receiver for dirt from rotary or moving agitator	80
15/325	With fender or bumper, i.e., furniture guard	54
15/320	With liquid or other cleaning material application to work	582
15/321	Manipulatable nozzle with flexible conduit connection to portable power and/or material supply unit, e.g., window washer	372
15/322	Nozzles	279
15/363	With mechanical agitating means	18
15/368	Adjustable with respect to nozzle	29
15/371	Floating or resiliently biased contact with work surface	20
15/372	Rotary work contactor	20
15/369	Responsive to translational movement of nozzles	10
15/373	Retractable, i.e., selective use	47
15/370	Rotary agitator with radially adjustable elements, e.g., wear compensating	5
15/377	Auxiliary or separate, i.e., non-fan, driving motor	131
15/364	Diverse agitating operations, e.g., brushing with beating or movable with stationary	39
15/366	Rotary only, e.g., "hoover" type beating brush	42
15/365	Selective	21
15/367	Stationary or non-moving agitating means only	22
15/374	Oblique or v-shaped arrangement of agitator	15
15/381	Oscillating agitator, e.g., sweeping	20
15/380	Rectilinearly moving parallel to work surface, e.g., scrubbing	32
15/383	Rotary agitator	122
15/387	Air current operated	108
15/385	Axis non-parallel to work surface	97
15/389	Drive details	48
15/392	Agitator bearings or supporting details	63
15/391	Belt or drive housings or other protective features	57
15/390	With clutch or other drive disconnect	40
15/384	Tandem agitator units	58
15/388	Traction operated	16
15/386	With eccentrically mounted turnable work contacting elements	9
15/393	Stationary agitator	55
15/398	Bristle brush type	94
15/400	Nozzle attachment type	24
15/399	With bristle bridle or air seal or shroud	6
15/403	Dry mop type, e.g., textile strand or sheet pelt	14
15/395	For opposed surfaces or hollow work internal cleaning	57
15/396	Hollow head with perforate reticulate supporting surface for agitator	18
15/397	With tubular air nozzles interspersed throughout work contacting surface	18
15/401	Scraper or squeegee type	156
15/402	Serrated or toothed, e.g., comb or rake type	49
15/394	Work piece surrounding or opposed agitators, e.g., bar or slat cleaners	22
15/382	Striking beater, i.e., perpendicular movement	13
15/379	Vibrating nozzle or nozzle lips	11
15/375	With auxiliary ambient air inlet to nozzle, e.g., through air tunnel and/or agitator	25
15/376	Agitator bearing or drive air bleed	7
15/378	With guard to inhibit work entry into nozzle mouth	9
15/362	With nozzle carriage or mount having work-surface penetration control, e.g., differential area supporting wheels	3
15/404	With pulsating air flow	46
15/326	With sound muffling feature	126
15/323	With storage facilities for tools or nozzles, conduits, etc., e.g., racks and cabinets	250
15/354	With work-contacting carriage or mount, and relatively adjustable nozzle	105
15/359	Biased or floating nozzle	50
15/360	Urged away from contact with work	15
15/361	Handle operated or handle associated control	36
15/357	Suction responsive	1
15/355	With agitator adjustable relative to nozzle	22
15/356	Interlocked or simultaneous adjustment	8
15/358	With work surface contact or penetration sensing	4
15/3.5	With means to pass a solid cleaning agent and a fluid carrier through tubular work	79
15/3.51	With conservation or recovery of the cleaning agent	111
15/3.52	By attached line	8
15/DIG.13	Magnetic tape cleaner	21
15/DIG.3	Matrix	8
15/1	Miscellaneous	63
15/DIG.15	Moisture responsive	55
15/DIG.14	Phonograph record cleaner	21
15/DIG.1	Rechargeable batter	48
15/1.7	Submerged cleaners with ambient flow guides	534
15/DIG.12	Tape head cleaner	33
15/DIG.6	Varied composition bristle	58
15/DIG.5	Varied length bristle	184
15/268	Work supports	43