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Expired Canadian patentCanada

Bed construction

CA 1136353 A · Owner: Valhaus Trust Reg. · Inventors: Nahum, Sylvain

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

Bed mattress holder comprising a frame having a pair of longitudinal members and a series of cross members supported by and spaced along the longitudinal members. Each cross member is formed of a bottom element resting on the longitudinal member, a top element mounted on the bottom element and having a top surface over which a bed mattress is to rest the top, and bottom elements being adjustable relative to one another to change the level of the top surface relative to the bottom element.

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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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 28, 1980
GrantedNovember 30, 1982
Term endedNovember 30, 1999
Patent numberCA 1136353 A
Classification (IPC)A47C19/00 +1 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedJan 28, 1980Patent grantedNov 30, 1982Term endedNov 30, 1999

Sources & verification

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