External feminine protection device with skid-resistant coating for holding the device in place
CA 1323143 C · Owner: Lachapell, Ruth Ann · Inventors: Lachapell, Ruth Ann; Linker, Paul Means, Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is generally accomplished by providing a pad for human exudate that is provided with a coating material that has a high coefficient of friction. Among the preferred coating materials are the materials formed from modified acrylics. The materials preferably have a coefficient of friction of greater than 1 and a Sheffield smoothness rating of greater than 200 when utilizing a modified ASTM test.
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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
- 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.