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  • CPC
  • G04C17/0083
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GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C17/00indicating the time optically by electric means

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G04C17/0083with date indication
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic calendar
    • Patent number 4,031,642
    • Issue date Jun 28, 1977
    • Aoki; Motomu
    • Motomu Aoki
    • G04 - HOROLOGY
  • Information Patent Grant

    3810322
    • Patent number 3,810,322
    • Issue date May 14, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3766728
    • Patent number 3,766,728
    • Issue date Oct 23, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3328954
    • Patent number 3,328,954
    • Issue date Jul 4, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    3274717
    • Patent number 3,274,717
    • Issue date Sep 27, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    2927418
    • Patent number 2,927,418
    • Issue date Mar 8, 1960
    • G04 - HOROLOGY
  • Information Patent Grant

    2595467
    • Patent number 2,595,467
    • Issue date May 6, 1952
    • G04 - HOROLOGY
  • Information Patent Grant

    2458092
    • Patent number 2,458,092
    • Issue date Jan 4, 1949
    • G04 - HOROLOGY
  • Information Patent Grant

    2026882
    • Patent number 2,026,882
    • Issue date Jan 7, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    1992508
    • Patent number 1,992,508
    • Issue date Feb 26, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    968319
    • Patent number 968,319
    • Issue date Aug 23, 1910
    • G04 - HOROLOGY