TREA

Systems in which slave-clocks function as master-clocks for other slave-clocks

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Industry

  • CPC
  • G04C13/0427
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Parent Industries

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

Current Industry

G04C13/0427Systems in which slave-clocks function as master-clocks for other slave-clocks
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3298171
    • Patent number 3,298,171
    • Issue date Jan 17, 1967
    • G04 - HOROLOGY
  • Information Patent Grant

    2066349
    • Patent number 2,066,349
    • Issue date Jan 5, 1937
    • G04 - HOROLOGY
  • Information Patent Grant

    1537620
    • Patent number 1,537,620
    • Issue date May 12, 1925
    • G04 - HOROLOGY

Patents Applicationslast 30 patents