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Expired Canadian patentCanada

Guiding end piece for venetian blind bottom rail

CA 1092016 A · Owner: Hunter Douglas Canada Ltd. · Inventors: Hennequin, Petrus J.

CIPO record

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Drawings and full text

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

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Abstract From the Canadian patent

There is disclosed an end piece for the bottom rail of a venetian blind which end piece is engaged by a flexible lifting member for the blind and a flexible tilting member both of which are positioned within the side housing of the blind. The flexible tilting member engages the end piece in sliding relationship such that movement of the flexible tilting member does not result in tilting of the bottom rail. Further, a portion of the end piece of the bottom rail is engaged for vertical movement in a slot in in the housing in such a manner as to further insure against tilting of the bottom rail while permitting vertical adjustment thereof. The arrangements for engaging the lifting tape of the …

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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 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 9, 1978
GrantedDecember 23, 1980
Term endedDecember 23, 1997
Patent numberCA 1092016 A
Classification (IPC)E06B9/32 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 9, 1978Patent grantedDec 23, 1980Term endedDec 23, 1997

Sources & verification

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