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Expired Canadian patentCanada

Gear hand lever for actuating window or door hardware for turning, tilting and turn and tilt casements

CA 1291008 C · Owner: Tonsmann, Armin · Inventors: Diekmann, Bernd; Tonsmann, Armin

CIPO record

Overview

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

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Abstract From the Canadian patent

23724-158, Abstract, The gear hand lever (1) is rotatably mounted on a housing (5) which is fixed to a casement piece (17). A connecting rod hardware actuated via the gear hand lever is coupled to a dog (14) on a slide (13) mounted in the housing to be movable in the longitudinal direction. The slide is provided with a guide groove (12) which engages a follower pin (9) of an eccentric (8) connected to the handle. The alignment of the midpoint of the gear hand lever to the midpoint of the follower pin (9) is perpendicular to the longitudinal center line of the guide groove (12) of the slide (13) in the end positions lying in an angular distance of 180° and which correspond respectively to …

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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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
  • 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 22, 1986
GrantedOctober 22, 1991
Term endedOctober 22, 2008
Patent numberCA 1291008 C
Classification (IPC)E05B1/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 22, 1986Patent grantedOct 22, 1991Term endedOct 22, 2008

Sources & verification

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