US PATENT SUBCLASS 74 / 499
.~.~.~.~.~ Screw and nut

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
491  DF  .~ Hand operated {4}
492  DF  .~.~ Steering posts {4}
496  DF  .~.~.~ Motion translating mechanism {2}
498  DF  .~.~.~.~ Gear type {2}
499.~.~.~.~.~ Screw and nut

DEFINITION

Classification: 74/499

(under subclass 498) Mechanisms in which screw and nut gearing is used.

SEE OR SEARCH THIS CLASS, SUBCLASS:

424.8, for screw and nut gearing, per se.