US PATENT SUBCLASS 16 / 71
CLOSERS

Current as of: June, 1999
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16 /   HD   MISCELLANEOUS HARDWARE

71CLOSERS {5}
78  DF  .~> Spring and flexible link
79  DF  .~> Spring and gear
80  DF  .~> Spring and lever
72  DF  .~> Spring {4}
81  DF  .~> Weight

DEFINITION

Classification: 16/71

(under the class definition) Closing devices for doors and the like.

SEE OR SEARCH CLASS

49, Movable or Removable Closure,

386+, for a closure mounted for swinging movement combined with a means to bias it in one direction.