Adjustable arm structures
CA 1299554 C · Owner: Eldon Industries, Inc. · Inventors: Sharber, Jerry; Kilby, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adjustable arm structure capable of being used to support comparatively heavylamps books and the like can be constructed so as to use two adjustable arm assemblies. Each of these assemblies uses two parallel links one of which is attached to a sector plate. The sector plates are clamped together in the structure in a connecting joint at a location remote from where the links are pivotally connected to or in the connecting joint. 11
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 April 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 2009.
- 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.