Signs
CA 1207527 A · Owner: Mcdonough, Paul F. · Inventors: Mcdonough, Paul F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, An incremental sheet advertising sign assembly to be secured to a rail frame comprising a plurality of substantially identical panels, pulley supports attached to the back of each panel in such a manner as to engage the uppermost rail of said frame, at least one locking track along the back surface of each said panel and, elements slidably attached to the tracks which lock each panel to the rail frame. - 1 -
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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 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.
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.