Method of forming a backing material
CA 1189435 A · Owner: American Biltrite Inc. · Inventors: Ferguson, Donald C.; Smith, Merrill M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming a backing material by depositing a first layer of plastisol on a release paper, this first layer having a thickness of at least approximately 6 mils (0.15 mm.), then depositing an open mesh webbing, preferably fiberglass on the, first layer, then depositing a second layer of plastisol on the webbing and first layer, curing the two layers of plastisol to form a substantially unitary layer encompassing the webbing and stripping the release paper.
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 June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- 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.