Scaffold system
CA 1291782 C · Owner: Genie Industries, Inc. · Inventors: Wehmeyer, Donald T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A portable scaffold having tubular structural elements has necked fittings extending into the ends of the tubular elements and attached thereto by adhesive which is introduced through an entry port preferably provided by a porting ring sleeved on the neck of each fitting and opposed by an O-ring. The adhesive flows from the entry port through longitudinal and circumferential grooves in the neck between the porting ring and O-ring and vents through a vent port in the porting ring.
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.