US PATENT SUBCLASS 292 / 300
RIGID ENGAGING MEANS

Current as of: June, 1999
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292 /   HD   CLOSURE FASTENERS

300RIGID ENGAGING MEANS {4}
301  DF  .~> Screw catch
302  DF  .~> Sliding catch
303  DF  .~> Spring-arm catch
304  DF  .~> Swinging catch

DEFINITION

Classification: 292/300

(under the class definition) Devices comprising rigid means on the closures for engaging rigid means on the casings, such as undercut grooves, screw-threads, and bayonet-joints.

SEE OR SEARCH CLASS

16, Miscellaneous Hardware,

350+, and 388 for similar devices in combination with hinge structure.