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  • CPC
  • G04B19/2532
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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

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G04B19/2532automatically corrected at the end of mounths having less than 31 days
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Patents Grantslast 30 patents

  • Information Patent Grant

    Indicator device for watchmaking
    • Patent number 12,181,839
    • Issue date Dec 31, 2024
    • LA VALLEE S.R.L.
    • Luciano Sasso
    • G04 - HOROLOGY
  • Information Patent Grant

    Indicator anti-correction system for a timepiece
    • Patent number 11,860,578
    • Issue date Jan 2, 2024
    • Eta Sa Manufacture Horlogère Suisse
    • Stephane Bachmann
    • G04 - HOROLOGY
  • Information Patent Grant

    Device for displaying a succession of periodic events which form an...
    • Patent number 11,714,383
    • Issue date Aug 1, 2023
    • ETA SA MANUFACTUDE HORLOGERE SUISSE
    • Stephane Bachmann
    • G04 - HOROLOGY
  • Information Patent Grant

    Device for displaying a succession of periodic events which form an...
    • Patent number 11,526,131
    • Issue date Dec 13, 2022
    • Eta Sa Manufacture Horlogère Suisse
    • Stephane Bachmann
    • G04 - HOROLOGY
  • Information Patent Grant

    Calendar mechanism
    • Patent number 10,222,751
    • Issue date Mar 5, 2019
    • Blancpain S.A.
    • Martin Robin
    • G04 - HOROLOGY
  • Information Patent Grant

    Coaxial disengageable wheels for a timepiece movement
    • Patent number 9,429,913
    • Issue date Aug 30, 2016
    • Eta Sa Manufacture Horlogère Suisse
    • Daniel Gruenig
    • G04 - HOROLOGY
  • Information Patent Grant

    Two-directional date corrector mechanism for a date mechanism, date...
    • Patent number 9,213,314
    • Issue date Dec 15, 2015
    • Blancpain S.A.
    • Vincent Calabrese
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece equipped with calendar mechanism including first and seco...
    • Patent number 7,180,829
    • Issue date Feb 20, 2007
    • Seiko Instruments Inc.
    • Mamaru Watanabe
    • G04 - HOROLOGY
  • Information Patent Grant

    Perpetual calendar mechanism comprising a four year cycle indicator
    • Patent number 4,541,725
    • Issue date Sep 17, 1985
    • Omega S.A.
    • Louis Baumgartner
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece with a perpetual calendar mechanism
    • Patent number 4,427,300
    • Issue date Jan 24, 1984
    • Compagnie des Montres Longines
    • Michel Groothuis
    • G04 - HOROLOGY
  • Information Patent Grant

    Timepiece
    • Patent number 4,232,510
    • Issue date Nov 11, 1980
    • Citizen Watch Co., Ltd.
    • Munetaka Tamaru
    • G04 - HOROLOGY
  • Information Patent Grant

    3688490
    • Patent number 3,688,490
    • Issue date Sep 5, 1972
    • G04 - HOROLOGY
  • Information Patent Grant

    3673788
    • Patent number 3,673,788
    • Issue date Jul 4, 1972
    • G04 - HOROLOGY
  • Information Patent Grant

    3400510
    • Patent number 3,400,510
    • Issue date Sep 10, 1968
    • G04 - HOROLOGY
  • Information Patent Grant

    2146981
    • Patent number 2,146,981
    • Issue date Feb 14, 1939
    • G04 - HOROLOGY
  • Information Patent Grant

    2000365
    • Patent number 2,000,365
    • Issue date May 7, 1935
    • G04 - HOROLOGY
  • Information Patent Grant

    1607703
    • Patent number 1,607,703
    • Issue date Nov 23, 1926
    • G04 - HOROLOGY
  • Information Patent Grant

    422090
    • Patent number 422,090
    • Issue date Feb 25, 1890
    • G04 - HOROLOGY
  • Information Patent Grant

    309257
    • Patent number 309,257
    • Issue date Dec 16, 1884
    • G04 - HOROLOGY
  • Information Patent Grant

    249536
    • Patent number 249,536
    • Issue date Nov 15, 1881
    • G04 - HOROLOGY
  • Information Patent Grant

    234355
    • Patent number 234,355
    • Issue date Nov 9, 1880
    • G04 - HOROLOGY
  • Information Patent Grant

    211583
    • Patent number 211,583
    • Issue date Jan 21, 1879
    • G04 - HOROLOGY
  • Information Patent Grant

    203640
    • Patent number 203,640
    • Issue date May 14, 1878
    • G04 - HOROLOGY
  • Information Patent Grant

    192118
    • Patent number 192,118
    • Issue date Jun 19, 1877
    • G04 - HOROLOGY
  • Information Patent Grant

    176043
    • Patent number 176,043
    • Issue date Apr 11, 1876
    • G04 - HOROLOGY
  • Information Patent Grant

    165432
    • Patent number 165,432
    • Issue date Jul 13, 1875
    • G04 - HOROLOGY
  • Information Patent Grant

    148405
    • Patent number 148,405
    • Issue date Mar 10, 1874
    • G04 - HOROLOGY
  • Information Patent Grant

    85456
    • Patent number 85,456
    • Issue date Dec 29, 1868
    • G04 - HOROLOGY

Patents Applicationslast 30 patents