TREA

Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement

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Industry

  • CPC
  • G04B19/2573
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Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B19/00Indicating the time by visual means

Current Industry

G04B19/2573Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3906715
    • Patent number 3,906,715
    • Issue date Sep 23, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3903685
    • Patent number 3,903,685
    • Issue date Sep 9, 1975
    • G04 - HOROLOGY

Patents Applicationslast 30 patents