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Class Information
Number: 220/
Name: Receptacles > Closures
Description:










Sub-classes under this class:

Class Number Class Name Patents
220/287 Closure adaptable for various sizes or openings 132
220/360 Closure controls vent in receptacle 63
220/345.1 Closure guided in reciprocating movement 100
220/253 Closure members having alignable openings 198
220/229 Closure penetrated through intersecting slits 93
220/255 Closures interconnected for common opening movement 118
220/212 Combined or convertible 383
220/213 Convex or concave closure conforms to curvature of opening to be closed 70
220/314 Crossbar carries closure and serves as closure fastener 108
220/243 External and internal bar or closure 33
220/233 Externally adjustable plug or gasket 54
220/241 Face plate type 509
220/216 Floating closure 112
220/378 Having gasket or packing 316
220/232 Having inflatable gasket or packing 54
220/228 Having liquid or semi-liquid gasket 30
220/315 Having means for securing or retaining closure in its closed position (e.g., fastening devices) 406
220/380 Having structure to stack or nest when not in use 147
220/210 Key controlled 172
220/230 Magnetic 108
220/211 Motor driven 110
220/376 Ornamental 18
220/810 Pivotable, (e.g., hinged) 147
220/252 Pivotally or slidably mounted semispherical hood-type closure 76
220/288 Removable closure guided in rotary movement (e.g., screw) 404
220/359.1 Removable closure retained by adhesive or fusion means 119
220/309.1 Removable closure retained by ductile in situ deformation (e.g., crimp) 12
220/796 Removable closure retained by friction 93
220/780 Removable closure situated by resilient distortion and retained by preformed configuration (e.g., detent) 234
220/361 Sealing or closing means for vent or filling opening 99
220/254.1 Secondary closure within parameter of primary closure 209
220/256.1 Superposed closures for common opening 126
220/375 Tethered closure 289
220/201 Thermal releaser or actuator 56
220/377 Transparent 131
220/366.1 Vent at closure, closure support juncture 189
220/367.1 Vent in closure 291
220/305 Warped cover flexed into operative position 37
220/260 With closure opening arrangements for means (e.g., opening devices) 227
220/202 With condition responsive vent or valve 71
220/379 With disparate support for displaced closure 88
220/215 With heat insulating insert or captive air space 34
220/240 With seal means biased by internal pressure 104
220/214 With separately applied sealing means for indicating unauthorized closure movement 92
220/231 With vacuum breaker or manually operable vent 148


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
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