US PATENT SUBCLASS 29 / 896.31
.~.~ Having arbor, pinion, or balance

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
896.3  DF  .~ Watch or clock making {4}
896.31.~.~ Having arbor, pinion, or balance

DEFINITION

Classification: 29/896.31

Having arbor, pinion, or balance:

(under subclass 896.3) Process wherein the manufactured device or part includes (a) a spindle of a wheel, (b) a small cogwheel engaged by a larger cogwheel or a rack, or (c) a wheel adapted for attaining equilibrium.

(1) Note. Included herein is a blank to be made into an arbor, pinion, or balance.

SEE OR SEARCH CLASS

368, Horology: Time Measuring Systems or Devices, especially

127+, for a balance wheel-type escapement and subclass 322 for arbor and pinion details.