TREA

using more than one pendulum

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Industry

  • CPC
  • G04C3/025
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C3/00Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means

Current Industry

G04C3/025using more than one pendulum
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2820338
    • Patent number 2,820,338
    • Issue date Jan 21, 1958
    • G04 - HOROLOGY
  • Information Patent Grant

    341450
    • Patent number 341,450
    • Issue date May 11, 1886
    • G04 - HOROLOGY
  • Information Patent Grant

    340483
    • Patent number 340,483
    • Issue date Apr 20, 1886
    • G04 - HOROLOGY

Patents Applicationslast 30 patents