TREA

Auxiliary ring supports on covers

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Industry

  • CPC
  • B42F13/0086
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B42Bookbinding B42FSHEETS TEMPORARILY ATTACHED TOGETHER FILING APPLIANCES FILE CARDS INDEXING B42F13/00Filing appliances with means for engaging perforations or slots

Current Industry

B42F13/0086Auxiliary ring supports on covers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Loose-leaf binder
    • Patent number 5,967,690
    • Issue date Oct 19, 1999
    • Specialty Loose Leaf, Inc.
    • Paul R. Tibbetts
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Binder backing for notebooks
    • Patent number 4,750,884
    • Issue date Jun 14, 1988
    • American Trading & Production Corporation
    • Thomas W. Bourgeois
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    3606557
    • Patent number 3,606,557
    • Issue date Sep 20, 1971
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    1390016
    • Patent number 1,390,016
    • Issue date Sep 6, 1921
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER