Patent Yard Sign in
Expired Canadian patentCanada

Housing door

CA 1213868 A · Owner: Prescolite · Inventors: Druffel, James B.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A door for a housing utilizing a member having first and second end portions hingedly attached to a housing. The second end portion of the member latches to the housing with a spring element which includes a bent portion for engaging an opening through the housing.

Read the whole patent

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 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.
FiledDecember 31, 1981
GrantedNovember 12, 1986
Term endedNovember 12, 2003
Patent numberCA 1213868 A
Classification (IPC)F21V7/00

Timeline

Timeline From CIPO dates

19821985198819911994199720002003Application filedDec 31, 1981Patent grantedNov 12, 1986Term endedNov 12, 2003

Sources & verification

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