US PATENT SUBCLASS 33 / 385
.~.~.~.~.~ Cam-type adjuster (e.g., gear, screw, wedge, etc.

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

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
365  DF  .~ Level or plumb, terrestrial gravitation responsive {9}
377  DF  .~.~ Liquid type, upper surface utilizing {2}
379  DF  .~.~.~ Bubble {5}
384  DF  .~.~.~.~ Liquid container adjustable on reference-surface section {2}
385.~.~.~.~.~ Cam-type adjuster (e.g., gear, screw, wedge, etc. {2}
386  DF  .~.~.~.~.~.~> Opposing spring
387  DF  .~.~.~.~.~.~> Adjustment indicium

DEFINITION

Classification: 33/385

(under subclass 384) Device including a cam (e.g., screw thread, gear, wedge, etc.) for controlling the amount of adjustment.