Land vehicles: animal draft appliances > Patents

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Class Information
Number: 278
Name: Land vehicles: animal draft appliances >
Description: This class includes that portion of land vehicles by means of which the pull of draft animals is utilized to move the vehicle over the ground.

Class Number	Class Name	No. of Patents
	Draft equalizers
278/3	Horse longitudinally aligned	0
278/4	Two abreast	1
278/5	Horses abreast	1
278/6	Five-horse type	0
278/7	With pole or poles	0
278/8	Four-horse type	0
278/9	With pole or poles	1
278/10	Offset pole	0
278/11	Three-against-one pull	0
278/12	Two-against-two pull	0
278/13	Lateral evener connection	0
278/14	Three-horse type	0
278/15	With pole or poles	1
278/16	With intermediate evener	0
278/17	Offset	0
278/18	Two-horse type	0
278/19	Leverage adjustment	0
278/20	Automatic	0
278/126	Holdbacks	1
278/127	Harness attached	0
278/128	Breech strap	2
278/129	Adjustable	0
278/130	Automatic release	0
278/21	Horse detachers	2
278/22	Automatic	0
278/23	Combined brake	0
278/31	Doubletree from pole	0
278/32	Singletree from thill or evener	0
278/29	Thills or poles from vehicle	0
278/30	Retracting axle-clip bolts	0
278/24	Traces from singletree	0
278/26	Movable trace-eye-engaging element	0
278/27	Pivoted	0
278/28	Sliding pin or rod	0
278/25	Traces positively moved	0
278/2	Load starters	0
278/1	Miscellaneous	0
278/119	Neck yokes	0
278/120	End construction	0
278/121	Pole couplings	0
278/125	Leather eye or ring	0
278/122	Modified pole and yoke (center)	1
278/123	Permanently attached	0
278/124	With safety devices	0
278/86	Pole supports	1
278/87	Ground-engaging props	0
278/88	Spring	0
278/89	Coil	0
278/33	Poles and thills	0
278/34	Plural	0
278/36	Poles	0
278/37	Agricultural-implement type	2
278/41	Axle attached	0
278/42	Width adjustment	0
278/43	Axle hounds attached	0
278/39	Selective positioned	1
278/40	Slip tongue	0
278/38	The pole body	0
278/35	Special-purpose attachments	1
278/44	Thills	0
278/49	Joints and braces	0
278/46	Offset draft	0
278/47	Selective direct	0
278/48	Sectional	0
278/45	Two-wheeled vehicles	0
278/50	Tips	0
278/51	Safety neck-yoke retainers	1
278/2.1	Street car	0
278/52	Thill couplings	0
278/80	Ball and socket	0
278/72	D-head type	0
278/73	Cooperating hook	0
278/74	Retainers	0
278/75	Pivoted	0
278/76	Spring	1
278/77	Plural-part eye	0
278/78	Pivoted jaws	0
278/79	Grapple type	0
278/67	L-head type	0
278/66	Opposed lug engaging or carrying jaws	0
278/55	Plural	0
278/60	Removable transverse pin or bolt	0
278/61	Antirattling	0
278/63	Resilient	0
278/64	Adjustable	0
278/62	With special pin retainers	0
278/65	Special pin retainers	0
278/53	Resilient	1
278/54	Safety attachments	1
278/56	Special-position release	0
278/59	D-head type	0
278/57	L-head type	0
278/58	T-head type	1
278/68	T-head type	0
278/69	Cooperating hooks	0
278/70	Retainers	0
278/71	Spring	0
278/81	Thill-supports	0
278/82	Plural position	0
278/85	Separate props	0
278/83	Spring latches	0
278/84	Spring	0
278/118	Trace and thill or pole connections	2
278/90	Whiffletrees	0
278/95	Connections	0
278/96	Link or clevis	0
278/96.2	Adjustable draft line	0
278/96.3	Horizontally	0
278/96.1	Resilient	0
278/97	Resilient	0
278/98	To pole or thills	0
278/99	To pole or thills	0
278/100	Pivot bolt	0
278/101	Offset pivot	0
278/92	Metallic	0
278/93	Trussed	0
278/91	Resilient	0
278/102	Trace and whiffletree connections	0
278/104	Clamp	0
278/111	Hooks	0
278/112	Trace retaining	0
278/113	Movable keeper	0
278/114	Snap-hook type	0
278/115	Special-position release	0
278/116	Opposed lapping hooks	0
278/117	Whiffletree fastenings	0
278/103	Resilient	0
278/105	Trace-eye-engaging head or end	0
278/107	Hook retainers	0
278/106	Loop retainers	0
278/109	Pivoted button or lug retainers	0
278/110	Rotatable-button retainers	0
278/108	Spring-detent retainers	0
278/94	Trussed	0