US PATENT SUBCLASS 81 / 20
HAMMER

Current as of: June, 1999
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81 /   HD   TOOLS

20HAMMER {6}
21  DF  .~> Having work protector surrounding face
22  DF  .~> Having shock absorbing means
23  DF  .~> Having nail placer {1}
25  DF  .~> Having replaceable striking face
26  DF  .~> Having plural striking faces
27  DF  .~> Rod encircling type

DEFINITION

Classification: 81/20

HAMMER:

(under the class definition) Tool including a head having an impacting surface and a lever arm having an end adapted to carry the head.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19, for a similar tool having a pliable impacting surface.

SEE OR SEARCH CLASS

7, Compound Tools,

143+, for a compound tool including a hammer.

173, Tool Driving or Impacting, 90+, and see the search notes therein for a device to impact a tool or the like.

254, Implements or Apparatus for Applying Pushing or Pulling Force,

26, for nail extractor combined with a hammer.