US PATENT SUBCLASS 33 / 501.7
.~ Tooth testing (e.g., gear, rack)

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
501.7.~ Tooth testing (e.g., gear, rack) {6}
501.8  DF  .~.~> By electrical comparison {1}
501.11  DF  .~.~> Implement type
501.12  DF  .~.~> Internal
501.13  DF  .~.~> By pair of engaged gears
501.14  DF  .~.~> By probe {3}
501.19  DF  .~.~> By rotary master

DEFINITION

Classification: 33/501.7

Tooth testing (e.g., gear, rack):

(under subclass 501) Subject matter wherein the contact member engages a gear type element for determining the form, shape, etc., of a tooth or teeth.

SEE OR SEARCH CLASS

73, Measuring and Testing,

162, for processes and apparatus for determining other physical characteristics of gears such as tooth strength, noise produced by meshing, etc.