TREA

the pendulum controlling contacts and mechanically driving the gear-train

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Industry

  • CPC
  • G04C3/0271
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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

G04C3/0271the pendulum controlling contacts and mechanically driving the gear-train
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1411243
    • Patent number 1,411,243
    • Issue date Mar 28, 1922
    • G04 - HOROLOGY

Patents Applicationslast 30 patents