TREA

for making masters for hectographic duplicators

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Industry

  • CPC
  • B41L1/34
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41LAPPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES B41L1/00Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries

Current Industry

B41L1/34for making masters for hectographic duplicators
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3561992
    • Patent number 3,561,992
    • Issue date Feb 9, 1971
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3226134
    • Patent number 3,226,134
    • Issue date Dec 28, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2974585
    • Patent number 2,974,585
    • Issue date Mar 14, 1961
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2925033
    • Patent number 2,925,033
    • Issue date Feb 16, 1960
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2842050
    • Patent number 2,842,050
    • Issue date Jul 8, 1958
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2767650
    • Patent number 2,767,650
    • Issue date Oct 23, 1956
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2459067
    • Patent number 2,459,067
    • Issue date Jan 11, 1949
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2386872
    • Patent number 2,386,872
    • Issue date Oct 16, 1945
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2381170
    • Patent number 2,381,170
    • Issue date Aug 7, 1945
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2363601
    • Patent number 2,363,601
    • Issue date Nov 28, 1944
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2362952
    • Patent number 2,362,952
    • Issue date Nov 14, 1944
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2216585
    • Patent number 2,216,585
    • Issue date Oct 1, 1940
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2215995
    • Patent number 2,215,995
    • Issue date Sep 24, 1940
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2181363
    • Patent number 2,181,363
    • Issue date Nov 28, 1939
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    961829
    • Patent number 961,829
    • Issue date Jun 21, 1910
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    682948
    • Patent number 682,948
    • Issue date Sep 17, 1901
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    625842
    • Patent number 625,842
    • Issue date May 30, 1899
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS