TREA

without fixed connection between spacing member and envelope

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Industry

  • CPC
  • H01J19/52
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J19/00Details of vacuum tubes of the types covered by group H01J21/00

Current Industry

H01J19/52without fixed connection between spacing member and envelope
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3928782
    • Patent number 3,928,782
    • Issue date Dec 23, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3086136
    • Patent number 3,086,136
    • Issue date Apr 16, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3062982
    • Patent number 3,062,982
    • Issue date Nov 6, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3062980
    • Patent number 3,062,980
    • Issue date Nov 6, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3054923
    • Patent number 3,054,923
    • Issue date Sep 18, 1962
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3003076
    • Patent number 3,003,076
    • Issue date Oct 3, 1961
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2956196
    • Patent number 2,956,196
    • Issue date Oct 11, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2917652
    • Patent number 2,917,652
    • Issue date Dec 15, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2915667
    • Patent number 2,915,667
    • Issue date Dec 1, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2909700
    • Patent number 2,909,700
    • Issue date Oct 20, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2907912
    • Patent number 2,907,912
    • Issue date Oct 6, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2897389
    • Patent number 2,897,389
    • Issue date Jul 28, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2866120
    • Patent number 2,866,120
    • Issue date Dec 23, 1958
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2745981
    • Patent number 2,745,981
    • Issue date May 15, 1956
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2679617
    • Patent number 2,679,617
    • Issue date May 25, 1954
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    2666866
    • Patent number 2,666,866
    • Issue date Jan 19, 1954
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2549949
    • Patent number 2,549,949
    • Issue date Apr 24, 1951
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2531394
    • Patent number 2,531,394
    • Issue date Nov 28, 1950
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    2481906
    • Patent number 2,481,906
    • Issue date Sep 13, 1949
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2417061
    • Patent number 2,417,061
    • Issue date Mar 11, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2395991
    • Patent number 2,395,991
    • Issue date Mar 5, 1946
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2324367
    • Patent number 2,324,367
    • Issue date Jul 13, 1943
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2241904
    • Patent number 2,241,904
    • Issue date May 13, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2236036
    • Patent number 2,236,036
    • Issue date Mar 25, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2219925
    • Patent number 2,219,925
    • Issue date Oct 29, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2187107
    • Patent number 2,187,107
    • Issue date Jan 16, 1940
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2178836
    • Patent number 2,178,836
    • Issue date Nov 7, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2178837
    • Patent number 2,178,837
    • Issue date Nov 7, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2173880
    • Patent number 2,173,880
    • Issue date Sep 26, 1939
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2151811
    • Patent number 2,151,811
    • Issue date Mar 28, 1939
    • H01 - BASIC ELECTRIC ELEMENTS