TREA

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

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Industry

  • CPC
  • G04C23/28
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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

G04C23/28with contacts operated, or formed, by clock hands or elements of similar form
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Time switches
    • Patent number 4,580,061
    • Issue date Apr 1, 1986
    • Plympton Patents Limited
    • Harold E. Jackson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Control arrangements for heating circuits
    • Patent number 4,323,192
    • Issue date Apr 6, 1982
    • Plympton Patents Limited
    • Harold E. Jackson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3018339
    • Patent number 3,018,339
    • Issue date Jan 23, 1962
    • G04 - HOROLOGY
  • Information Patent Grant

    2887543
    • Patent number 2,887,543
    • Issue date May 19, 1959
    • G04 - HOROLOGY
  • Information Patent Grant

    2565083
    • Patent number 2,565,083
    • Issue date Aug 21, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2547960
    • Patent number 2,547,960
    • Issue date Apr 10, 1951
    • G04 - HOROLOGY
  • Information Patent Grant

    2346623
    • Patent number 2,346,623
    • Issue date Apr 11, 1944
    • G04 - HOROLOGY
  • Information Patent Grant

    2173373
    • Patent number 2,173,373
    • Issue date Sep 19, 1939
    • G04 - HOROLOGY
  • Information Patent Grant

    2092906
    • Patent number 2,092,906
    • Issue date Sep 14, 1937
    • G04 - HOROLOGY