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Non-electric hand-lamps for miners

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Industry

  • CPC
  • F21L23/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION

Current Industry

F21L23/00Non-electric hand-lamps for miners
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Patents Grantslast 30 patents

  • Information Patent Grant

    3408490
    • Patent number 3,408,490
    • Issue date Oct 29, 1968
    • F21 - LIGHTING
  • Information Patent Grant

    2609486
    • Patent number 2,609,486
    • Issue date Sep 2, 1952
    • F21 - LIGHTING
  • Information Patent Grant

    2608849
    • Patent number 2,608,849
    • Issue date Sep 2, 1952
    • F21 - LIGHTING
  • Information Patent Grant

    2609487
    • Patent number 2,609,487
    • Issue date Sep 2, 1952
    • F21 - LIGHTING
  • Information Patent Grant

    2312614
    • Patent number 2,312,614
    • Issue date Mar 2, 1943
    • F21 - LIGHTING
  • Information Patent Grant

    2312613
    • Patent number 2,312,613
    • Issue date Mar 2, 1943
    • F21 - LIGHTING
  • Information Patent Grant

    2296778
    • Patent number 2,296,778
    • Issue date Sep 22, 1942
    • F21 - LIGHTING
  • Information Patent Grant

    2293284
    • Patent number 2,293,284
    • Issue date Aug 18, 1942
    • F21 - LIGHTING
  • Information Patent Grant

    2233053
    • Patent number 2,233,053
    • Issue date Feb 25, 1941
    • F21 - LIGHTING
  • Information Patent Grant

    2151471
    • Patent number 2,151,471
    • Issue date Mar 21, 1939
    • F21 - LIGHTING
  • Information Patent Grant

    1979837
    • Patent number 1,979,837
    • Issue date Nov 6, 1934
    • F21 - LIGHTING
  • Information Patent Grant

    1974498
    • Patent number 1,974,498
    • Issue date Sep 25, 1934
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1968369
    • Patent number 1,968,369
    • Issue date Jul 31, 1934
    • F21 - LIGHTING
  • Information Patent Grant

    1943952
    • Patent number 1,943,952
    • Issue date Jan 16, 1934
    • F21 - LIGHTING
  • Information Patent Grant

    1925620
    • Patent number 1,925,620
    • Issue date Sep 5, 1933
    • F21 - LIGHTING
  • Information Patent Grant

    1863470
    • Patent number 1,863,470
    • Issue date Jun 14, 1932
    • F21 - LIGHTING
  • Information Patent Grant

    1852862
    • Patent number 1,852,862
    • Issue date Apr 5, 1932
    • F21 - LIGHTING
  • Information Patent Grant

    1775689
    • Patent number 1,775,689
    • Issue date Sep 16, 1930
    • F21 - LIGHTING
  • Information Patent Grant

    1775565
    • Patent number 1,775,565
    • Issue date Sep 9, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1743166
    • Patent number 1,743,166
    • Issue date Jan 14, 1930
    • F21 - LIGHTING
  • Information Patent Grant

    1728838
    • Patent number 1,728,838
    • Issue date Sep 17, 1929
    • F21 - LIGHTING
  • Information Patent Grant

    1725182
    • Patent number 1,725,182
    • Issue date Aug 20, 1929
    • F21 - LIGHTING
  • Information Patent Grant

    1721422
    • Patent number 1,721,422
    • Issue date Jul 16, 1929
    • F21 - LIGHTING
  • Information Patent Grant

    1716374
    • Patent number 1,716,374
    • Issue date Jun 11, 1929
    • G01 - MEASURING TESTING
  • Information Patent Grant

    1702048
    • Patent number 1,702,048
    • Issue date Feb 12, 1929
    • F21 - LIGHTING
  • Information Patent Grant

    1680389
    • Patent number 1,680,389
    • Issue date Aug 14, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1662333
    • Patent number 1,662,333
    • Issue date Mar 13, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1660534
    • Patent number 1,660,534
    • Issue date Feb 28, 1928
    • F21 - LIGHTING
  • Information Patent Grant

    1612695
    • Patent number 1,612,695
    • Issue date Dec 28, 1926
    • F21 - LIGHTING
  • Information Patent Grant

    1612694
    • Patent number 1,612,694
    • Issue date Dec 28, 1926
    • F21 - LIGHTING

Patents Applicationslast 30 patents