TREA

with start-stop control arrangements

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Industry

  • CPC
  • G04F7/065
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Parent Industries

GPHYSICS G04Horology G04FTIME-INTERVAL MEASURING G04F7/00Apparatus for measuring unknown time intervals by mechanical means

Current Industry

G04F7/065with start-stop control arrangements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stop watch
    • Patent number 4,396,296
    • Issue date Aug 2, 1983
    • Michael F. Stodden
    • G04 - HOROLOGY
  • Information Patent Grant

    Escapement mechanism for watch
    • Patent number 4,106,282
    • Issue date Aug 15, 1978
    • Mattel, Inc.
    • Ake Lennart Larsson
    • G04 - HOROLOGY
  • Information Patent Grant

    Mechanical digital stopwatch
    • Patent number 4,100,728
    • Issue date Jul 18, 1978
    • Mattel, Inc.
    • Richard Shih-Teng Chang
    • G04 - HOROLOGY
  • Information Patent Grant

    1446613
    • Patent number 1,446,613
    • Issue date Feb 27, 1923
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1116836
    • Patent number 1,116,836
    • Issue date Nov 10, 1914
    • G04 - HOROLOGY

Patents Applicationslast 30 patents