US PATENT SUBCLASS 215 / 329
.~.~ Removably attached to receptacle by relative rotation between keepers (e.g., screw threads or lugs)

Current as of: June, 1999
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215 /   HD   BOTTLES AND JARS

200  DF  CLOSURES {32}
316  DF  .~ Cap type {8}
329.~.~ Removably attached to receptacle by relative rotation between keepers (e.g., screw threads or lugs) {11}
330  DF  .~.~.~> With means to prevent unintentional rotation in closure releasing direction
331  DF  .~.~.~> Projection engages keeper to stop rotation in closure applying direction
332  DF  .~.~.~> Keeper has vertically and horizontally extending slots (e.g., bayonet)
333  DF  .~.~.~> Keeper formed by bend in bead encircling lower edge of cap skirt
334  DF  .~.~.~> Keeper formed only on inner wall of double-wall cap or consists of separate member on cap
335  DF  .~.~.~> Keeper consists of separate member on receptacle
336  DF  .~.~.~> Keeper consists of tab or strip struck from cap skirt
337  DF  .~.~.~> Cap skirt impressed with circumferential inclined keeper indent, or with circumferentially spaced keeper indents
338  DF  .~.~.~> Keeper shaved from inner surface of cap skirt
339  DF  .~.~.~> Keeper formed by inward facing beads spaced along lower edge of cap skirt
340  DF  .~.~.~> Keeper formed by horizontal flange projecting inward from lower edge of cap skirt

DEFINITION

Classification: 215/329

(under subclass 316) Devices, wherein (1) the closure and the receptacle are respectively provided with keepers, and (2) relative rotation between said keeper secures the closure in, or releases it from, a closing position on the receptacle.

(1) Note. The keepers may be in the form of indents, detents, slots, grooves, bends or any other form which produces threads, lugs or bayonet joint.

SEE OR SEARCH CLASS

220, Receptacles,

288+, for screw closures for a metallic receptacle.

222, Dispensing,

549+, for dispensers with screw type closures.