US PATENT SUBCLASS 81 / 121.1
.~.~ Enclosed (e.g., socket)

Current as of: June, 1999
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81 /   HD   TOOLS

52  DF  WRENCH, SCREWDRIVER, OR DRIVER THEREFOR {27}
119  DF  .~ Rigid jaws {3}
121.1.~.~ Enclosed (e.g., socket) {8}
122  DF  .~.~.~> Watch and clock keys {1}
124.1  DF  .~.~.~> With nut ejectors
125  DF  .~.~.~> Work-holding
124.2  DF  .~.~.~> Slotted socket
124.3  DF  .~.~.~> Through socket and perpendicular handle
124.4  DF  .~.~.~> Plural sockets {1}
124.6  DF  .~.~.~> Having axial opening for removable handle
124.7  DF  .~.~.~> Having perpendicular handle

DEFINITION

Classification: 81/121.1

Enclosed (e.g., socket):

(under subclass 119) Tool wherein the jaws comprise enclosing walls which form and opening adapted to receive a nut or the like.

(1) Note. To be considered "enclosing wall" either of the following must apply: (1) the walls of the wrench surround a nut or the like to the extent that the wrench cannot by withdrawn laterally, or (2) the walls of the wrench surround at least 180 degrees of the circumference of a nut or the like.