Extendable keyboard support assembly
CA 1291807 C · Owner: Hampshire, James F. · Inventors: Hampshire, James F.; Groth, Hugh E.; Collins, John M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
James F. HAMPSHIRE, Hugh F. GROTH - and -, John M. COLLINS, ABSTRACT, A keyboard support assembly for a computer work stand is disclosed comprising a sub-plate (74) having a profiled opening (98,100) along each side and a keyboard, support plate (78) residing on top of the sub-plate. A pair of pivotal locking devices (138) are attached to underside of the keybaord support plate to depend into the subplate profiled openings, and to selectively engage against an underside of the sub-plate as the keyboard support plate is slideably re-positioned thereon. The locking devices (138) include gear teeth (140) which engage with a gear rack segment (102) along the sub-plate underside.
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 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.