TREA

combination of vegetal and mineral

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Industry

  • CPC
  • F21V37/0033
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21VDETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION F21V37/00Details of lighting devices employing combustion as light source, not otherwise provided for Night lamps Votive lamps

Current Industry

F21V37/0033combination of vegetal and mineral
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2504584
    • Patent number 2,504,584
    • Issue date Apr 18, 1950
    • F21 - LIGHTING
  • Information Patent Grant

    2226792
    • Patent number 2,226,792
    • Issue date Dec 31, 1940
    • F21 - LIGHTING
  • Information Patent Grant

    2145878
    • Patent number 2,145,878
    • Issue date Feb 7, 1939
    • F21 - LIGHTING
  • Information Patent Grant

    2009865
    • Patent number 2,009,865
    • Issue date Jul 30, 1935
    • F21 - LIGHTING
  • Information Patent Grant

    1693604
    • Patent number 1,693,604
    • Issue date Dec 4, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1668074
    • Patent number 1,668,074
    • Issue date May 1, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1651209
    • Patent number 1,651,209
    • Issue date Nov 29, 1927
    • F21 - LIGHTING
  • Information Patent Grant

    1646104
    • Patent number 1,646,104
    • Issue date Oct 18, 1927
    • F21 - LIGHTING
  • Information Patent Grant

    1573500
    • Patent number 1,573,500
    • Issue date Feb 16, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1570666
    • Patent number 1,570,666
    • Issue date Jan 26, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1549826
    • Patent number 1,549,826
    • Issue date Aug 18, 1925
    • F21 - LIGHTING
  • Information Patent Grant

    1460955
    • Patent number 1,460,955
    • Issue date Jul 3, 1923
    • F21 - LIGHTING