Closures Patents (Class 220/200)
- Closure mounted for swinging (e.g., hinged) (Class 220/244)
- Plural operators (Class 220/245)
- Spring biased operator (Class 220/246)
- Eccentric operator (Class 220/247)
- Sectional bar (Class 220/248)
- Bar tethered to closure support (Class 220/249)
- Integral bar and operator (Class 220/250)
- Bar and operator removable with closure as a unit (Class 220/251)
- Plural secondary closures (Class 220/254.2)
- Pivotable secondary closure (Class 220/254.3)
- Secondary closure secured by resilient distortion and retained by preformed member (e.g., detent) (Class 220/254.7)
- Secondary closure guided in rotary movement (e.g., screw) (Class 220/254.8)
- Secondary closure guided in reciprocating movement (Class 220/254.9)
- Opening means comprises explosive charge (Class 220/261)
- Operator actuates closure in its opening or closing movement (e.g., foot pedal) (Class 220/262)
- Frangible member or portion (Class 220/265)
- Released by axial or radial pressure (Class 220/281)
- Special tool or tool engaging means (Class 220/284)
- Threads formed or altered upon application of closure (Class 220/289)
- With means to hold closure in a full or partially open position (Class 220/290)
- Swinging and rotary (Class 220/291)
- Quick removal (e.g., bayonet) (Class 220/293)
- With valve or vent means (Class 220/303)
- With packing or gasket (Class 220/304)
- Having structure to stack or nest when not in use (Class 220/781)
- Closure reinforced (Class 220/782)
- Closure interlocked by upward opening trough at passage mouth (Class 220/783)
- Noncontinuous interlock along perimeter of closure, closure support juncture (Class 220/784)
- Interlock internal to passage mouth (e.g., stopper type closure) (Class 220/789)
- Closure flange has noninterlocking contact internal to passage mouth (Class 220/792)
- Closure includes integral lifting tab (Class 220/793)
- Interlock surface on closure is bent or impressed (Class 220/794)
- With gasket or packing (Class 220/795)
- With internal pressure-condition release (Class 220/316)
- Tilting handle fastens while pouring (Class 220/317)
- Handle attached (Class 220/318)
- Ring type (Class 220/319)
- Comprising "U" shaped or bifurcated members (e.g., pivoted bails) (Class 220/322)
- Elongated members (e.g., leaf spring, radiating arms) acting between face of closure and opposed abutments or walls of the container (Class 220/323)
- Clamps, clips, hooks, or latches (Class 220/324)
- Threaded member (e.g., stud, bolt, or screw) (Class 220/327)
- Pivotable and slidable (Class 220/811)
- About multiple axes (Class 220/817)
- About axis at right angle to plane of closure (Class 220/820)
- Into container (Class 220/825)
- Plural pivotable closure sections (Class 220/826)
- Biased by distinct member (Class 220/827)
- Including abutment or retaining means to hold closure in open position (Class 220/831)
- Including integrally formed structure to retain closure in closed position (Class 220/833)
- Hinge members formed integrally with closure and closure support (Class 220/836)
- Separately formed hinge including particular mounting means (Class 220/845)
- Separately formed flexible hinge (Class 220/847)
- Separately formed hinge members with pintle (Class 220/848)
- With gasket or packing (Class 220/849)
- Including means securing closure against movement (Class 220/345.2)
- Spring biased (Class 220/348)
- Having antifriction means (Class 220/349)
- Flexible closure (Class 220/350)
- Closure encompasses passage mouth (Class 220/351)
- Including means to limit reciprocating movement (Class 220/345.4)
- Plural reciprocating closures (Class 220/345.5)
- With gasket or packing (Class 220/345.6)
- Closure embraced by upwardly opening trough at passage mouth (Class 220/797)
- Noncontinuous overlap along perimeter of closure, closure support (Class 220/799)
- Juncture internal of passage mouth (e.g., stopper type closure) (Class 220/801)
- Closure includes integral lifting tab (Class 220/805)
- With gasket or packing (Class 220/806)