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Expired Canadian patentCanada

Protective cover for books

CA 1215409 A · Owner: Book Covers, Inc. · Inventors: Neary, Robin P.; Carter, Leewood C.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The pleasant invention provides protective covers for books having two cover sections and pockets for receiving book covers locking, flaps in the side of each of the cover sections for locking the protective covers to the book covers, an adjustable spine section to accommodate books of different thicknesses, and a tearaway strip to hold together the two cover sections until they are ready for use. As a result of such construction, an improved protective cover is provided which is simple to manufacture and use, is inexpensive and durable easily accommo-, dates books of different thicknesses. Because of the locking flaps which are operable to be fastened to a book being covered the first, and …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 22, 1982
GrantedDecember 16, 1986
Term endedDecember 16, 2003
Patent numberCA 1215409 A
Classification (IPC)B42D3/00 +1 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedOct 22, 1982Patent grantedDec 16, 1986Term endedDec 16, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.