TREA

provided with means for sheeting off or temporarity stopping the signal

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Industry

  • CPC
  • G04C21/185
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C21/00Producing acoustic time signals by electrical means

Current Industry

G04C21/185provided with means for sheeting off or temporarity stopping the signal
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Battery operated panic alarm wrist watch
    • Patent number 4,591,836
    • Issue date May 27, 1986
    • Nathan Feigenblatt
    • G08 - SIGNALLING
  • Information Patent Grant

    Alarm clock construction
    • Patent number 4,213,291
    • Issue date Jul 22, 1980
    • Robertshaw Controls Company
    • Robert L. Wooding
    • G04 - HOROLOGY
  • Information Patent Grant

    2587890
    • Patent number 2,587,890
    • Issue date Mar 4, 1952
    • G04 - HOROLOGY