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by the hand(s) or handlike members closing the contact

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  • CPC
  • G04C21/205
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C21/00Producing acoustic time signals by electrical means

Current Industry

G04C21/205by the hand(s) or handlike members closing the contact
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Alarm system for desktop clock
    • Patent number 6,349,074
    • Issue date Feb 19, 2002
    • Bak Jo Kim
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm clock
    • Patent number 5,168,476
    • Issue date Dec 1, 1992
    • Junghans Uhren GmbH
    • Wolfgang Ganter
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm clock having means for bridging two circular conducting paths...
    • Patent number 4,922,475
    • Issue date May 1, 1990
    • Matthias Scholer
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm mechanism
    • Patent number 4,748,602
    • Issue date May 31, 1988
    • Seikosha Co., Ltd.
    • Keiichi Yoshizawa
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm mechanism
    • Patent number 4,693,612
    • Issue date Sep 15, 1987
    • Seikosha Co., Ltd.
    • Keiichi Yoshizawa
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm setting device for timepieces
    • Patent number 4,460,280
    • Issue date Jul 17, 1984
    • Rhythm Watch Co., Ltd.
    • Sano Tomonori
    • G04 - HOROLOGY
  • Information Patent Grant

    Time detecting device for alarm clock
    • Patent number 4,376,994
    • Issue date Mar 15, 1983
    • Seiko Koki Kabushiki Kaisha
    • Masuo Ogihara
    • G04 - HOROLOGY
  • Information Patent Grant

    Digital alarm timepiece with setting pointer
    • Patent number 4,374,622
    • Issue date Feb 22, 1983
    • Casio Computer Co., Ltd.
    • Toshio Kashio
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm timepiece
    • Patent number 4,283,782
    • Issue date Aug 11, 1981
    • Citizen Watch Co., Ltd.
    • Munetaka Tamaru
    • G04 - HOROLOGY
  • Information Patent Grant

    Alarm switch and alarm set device
    • Patent number 4,157,646
    • Issue date Jun 12, 1979
    • Timex Corporation
    • Paul Wuthrich
    • G04 - HOROLOGY
  • Information Patent Grant

    3910034
    • Patent number 3,910,034
    • Issue date Oct 7, 1975
    • G04 - HOROLOGY
  • Information Patent Grant

    2454843
    • Patent number 2,454,843
    • Issue date Nov 30, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    1686408
    • Patent number 1,686,408
    • Issue date Oct 2, 1928
    • G04 - HOROLOGY
  • Information Patent Grant

    1529852
    • Patent number 1,529,852
    • Issue date Mar 17, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1521600
    • Patent number 1,521,600
    • Issue date Jan 6, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1506264
    • Patent number 1,506,264
    • Issue date Aug 26, 1924
    • G04 - HOROLOGY
  • Information Patent Grant

    1362299
    • Patent number 1,362,299
    • Issue date Dec 14, 1920
    • G04 - HOROLOGY
  • Information Patent Grant

    1037130
    • Patent number 1,037,130
    • Issue date Aug 27, 1912
    • G04 - HOROLOGY
  • Information Patent Grant

    1006322
    • Patent number 1,006,322
    • Issue date Oct 17, 1911
    • G04 - HOROLOGY
  • Information Patent Grant

    961351
    • Patent number 961,351
    • Issue date Jun 14, 1910
    • G04 - HOROLOGY
  • Information Patent Grant

    957397
    • Patent number 957,397
    • Issue date May 10, 1910
    • G04 - HOROLOGY
  • Information Patent Grant

    693647
    • Patent number 693,647
    • Issue date Feb 18, 1902
    • G04 - HOROLOGY
  • Information Patent Grant

    659725
    • Patent number 659,725
    • Issue date Oct 16, 1900
    • G04 - HOROLOGY
  • Information Patent Grant

    633951
    • Patent number 633,951
    • Issue date Sep 26, 1899
    • G04 - HOROLOGY
  • Information Patent Grant

    612441
    • Patent number 612,441
    • Issue date Oct 18, 1898
    • G04 - HOROLOGY
  • Information Patent Grant

    528678
    • Patent number 528,678
    • Issue date Nov 6, 1894
    • G04 - HOROLOGY
  • Information Patent Grant

    518971
    • Patent number 518,971
    • Issue date May 1, 1894
    • G04 - HOROLOGY
  • Information Patent Grant

    470816
    • Patent number 470,816
    • Issue date Mar 15, 1892
    • G04 - HOROLOGY
  • Information Patent Grant

    458178
    • Patent number 458,178
    • Issue date Aug 25, 1891
    • G04 - HOROLOGY
  • Information Patent Grant

    404906
    • Patent number 404,906
    • Issue date Jun 11, 1889
    • G04 - HOROLOGY

Patents Applicationslast 30 patents