TREA

with contacts operated, or formed by clock hands or elements of similar form

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Industry

  • CPC
  • G04C23/20
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C23/00Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals

Current Industry

G04C23/20with contacts operated, or formed by clock hands or elements of similar form
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3810357
    • Patent number 3,810,357
    • Issue date May 14, 1974
    • G04 - HOROLOGY
  • Information Patent Grant

    3602729
    • Patent number 3,602,729
    • Issue date Aug 31, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3571711
    • Patent number 3,571,711
    • Issue date Mar 23, 1971
    • G04 - HOROLOGY
  • Information Patent Grant

    3255321
    • Patent number 3,255,321
    • Issue date Jun 7, 1966
    • G04 - HOROLOGY
  • Information Patent Grant

    2806527
    • Patent number 2,806,527
    • Issue date Sep 17, 1957
    • G04 - HOROLOGY
  • Information Patent Grant

    2806910
    • Patent number 2,806,910
    • Issue date Sep 17, 1957
    • G04 - HOROLOGY
  • Information Patent Grant

    2529371
    • Patent number 2,529,371
    • Issue date Nov 7, 1950
    • G04 - HOROLOGY
  • Information Patent Grant

    2508896
    • Patent number 2,508,896
    • Issue date May 23, 1950
    • G04 - HOROLOGY
  • Information Patent Grant

    2415843
    • Patent number 2,415,843
    • Issue date Feb 18, 1947
    • G04 - HOROLOGY
  • Information Patent Grant

    2342814
    • Patent number 2,342,814
    • Issue date Feb 29, 1944
    • G04 - HOROLOGY
  • Information Patent Grant

    2281888
    • Patent number 2,281,888
    • Issue date May 5, 1942
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2240498
    • Patent number 2,240,498
    • Issue date May 6, 1941
    • G04 - HOROLOGY
  • Information Patent Grant

    2221544
    • Patent number 2,221,544
    • Issue date Nov 12, 1940
    • G04 - HOROLOGY
  • Information Patent Grant

    2194034
    • Patent number 2,194,034
    • Issue date Mar 19, 1940
    • G04 - HOROLOGY
  • Information Patent Grant

    2159085
    • Patent number 2,159,085
    • Issue date May 23, 1939
    • G04 - HOROLOGY
  • Information Patent Grant

    2061312
    • Patent number 2,061,312
    • Issue date Nov 17, 1936
    • G04 - HOROLOGY
  • Information Patent Grant

    1961409
    • Patent number 1,961,409
    • Issue date Jun 5, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1957632
    • Patent number 1,957,632
    • Issue date May 8, 1934
    • G04 - HOROLOGY
  • Information Patent Grant

    1920688
    • Patent number 1,920,688
    • Issue date Aug 1, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1917481
    • Patent number 1,917,481
    • Issue date Jul 11, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1892928
    • Patent number 1,892,928
    • Issue date Jan 3, 1933
    • G04 - HOROLOGY
  • Information Patent Grant

    1885482
    • Patent number 1,885,482
    • Issue date Nov 1, 1932
    • G04 - HOROLOGY
  • Information Patent Grant

    1868086
    • Patent number 1,868,086
    • Issue date Jul 19, 1932
    • G04 - HOROLOGY
  • Information Patent Grant

    1663187
    • Patent number 1,663,187
    • Issue date Mar 20, 1928
    • G04 - HOROLOGY
  • Information Patent Grant

    1596859
    • Patent number 1,596,859
    • Issue date Aug 17, 1926
    • G04 - HOROLOGY
  • Information Patent Grant

    1545728
    • Patent number 1,545,728
    • Issue date Jul 14, 1925
    • G04 - HOROLOGY