TREA

using other coupling means

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Industry

  • CPC
  • G04C3/024
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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

G04C3/024using other coupling means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3769531
    • Patent number 3,769,531
    • Issue date Oct 30, 1973
    • G04 - HOROLOGY
  • Information Patent Grant

    3652955
    • Patent number 3,652,955
    • Issue date Mar 28, 1972
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3641373
    • Patent number 3,641,373
    • Issue date Feb 8, 1972
    • G04 - HOROLOGY
  • Information Patent Grant

    2760331
    • Patent number 2,760,331
    • Issue date Aug 28, 1956
    • G04 - HOROLOGY
  • Information Patent Grant

    2364681
    • Patent number 2,364,681
    • Issue date Dec 12, 1944
    • G04 - HOROLOGY
  • Information Patent Grant

    1910434
    • Patent number 1,910,434
    • Issue date May 23, 1933
    • G04 - HOROLOGY