TREA

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  • CPC
  • Y10S29/075
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S29/00Metal working

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Y10S29/075Adjustable liquid level
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Patents Grantslast 30 patents

  • Information Patent Grant

    2278886
    • Patent number 2,278,886
    • Issue date Apr 7, 1942
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1849452
    • Patent number 1,849,452
    • Issue date Mar 15, 1932
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1249590
    • Patent number 1,249,590
    • Issue date Dec 11, 1917
    • A43 - FOOTWEAR
  • Information Patent Grant

    774864
    • Patent number 774,864
    • Issue date Nov 15, 1904
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    707420
    • Patent number 707,420
    • Issue date Aug 19, 1902
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    538331
    • Patent number 538,331
    • Issue date Apr 30, 1895
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    516353
    • Patent number 516,353
    • Issue date Mar 13, 1894
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    367331
    • Patent number 367,331
    • Issue date Jul 26, 1887
    • B24 - GRINDING POLISHING