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Industry

  • CPC
  • G04C17/0025
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Parent Industries

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

Current Industry

G04C17/0025by flaps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Digital clock
    • Patent number 4,175,373
    • Issue date Nov 27, 1979
    • Rhythm Watch Company Limited
    • Kazuo Miyamoto
    • G04 - HOROLOGY
  • Information Patent Grant

    High accuracy timer actuating mechanism in a leaf type digital clock
    • Patent number 4,172,358
    • Issue date Oct 30, 1979
    • Copal Company Limited
    • Masashi Saginoya
    • G04 - HOROLOGY
  • Information Patent Grant

    Construction of a frame of a digital clock
    • Patent number 4,050,232
    • Issue date Sep 27, 1977
    • Copal Company Limited
    • Jusuke Yaguinuma
    • G04 - HOROLOGY
  • Information Patent Grant

    3834151
    • Patent number 3,834,151
    • Issue date Sep 10, 1974
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3220174
    • Patent number 3,220,174
    • Issue date Nov 30, 1965
    • G04 - HOROLOGY
  • Information Patent Grant

    914534
    • Patent number 914,534
    • Issue date Mar 9, 1909
    • G04 - HOROLOGY