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transmission systems for synchronisation of pendulum of slave-clocks by pendulums of master-clocks

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  • CPC
  • G04C13/028
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C13/00Driving mechanisms for clocks by master-clocks

Current Industry

G04C13/028transmission systems for synchronisation of pendulum of slave-clocks by pendulums of master-clocks
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Patents Grantslast 30 patents

  • Information Patent Grant

    Timepiece comprising a mechanical movement which running is enhance...
    • Patent number 11,300,929
    • Issue date Apr 12, 2022
    • The Swatch Group Research and Development Ltd.
    • Lionel Tombez
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2033899
    • Patent number 2,033,899
    • Issue date Mar 10, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    1920179
    • Patent number 1,920,179
    • Issue date Aug 1, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1553787
    • Patent number 1,553,787
    • Issue date Sep 15, 1925
    • G04 - HOROLOGY
  • Information Patent Grant

    1214989
    • Patent number 1,214,989
    • Issue date Feb 6, 1917
    • G04 - HOROLOGY
  • Information Patent Grant

    346970
    • Patent number 346,970
    • Issue date Aug 10, 1886
    • G04 - HOROLOGY
  • Information Patent Grant

    341449
    • Patent number 341,449
    • Issue date May 11, 1886
    • G04 - HOROLOGY
  • Information Patent Grant

    332987
    • Patent number 332,987
    • Issue date Dec 22, 1885
    • G04 - HOROLOGY
  • Information Patent Grant

    309269
    • Patent number 309,269
    • Issue date Dec 16, 1884
    • G04 - HOROLOGY
  • Information Patent Grant

    308731
    • Patent number 308,731
    • Issue date Dec 2, 1884
    • G04 - HOROLOGY
  • Information Patent Grant

    308521
    • Patent number 308,521
    • Issue date Nov 25, 1884
    • G04 - HOROLOGY
  • Information Patent Grant

    294132
    • Patent number 294,132
    • Issue date Feb 26, 1884
    • G04 - HOROLOGY
  • Information Patent Grant

    278846
    • Patent number 278,846
    • Issue date Jun 5, 1883
    • G04 - HOROLOGY
  • Information Patent Grant

    143847
    • Patent number 143,847
    • Issue date Oct 21, 1873
    • G04 - HOROLOGY

Patents Applicationslast 30 patents