Expired Canadian patentCanada
Oral condom
CA 1330746 C · Owner: Harding, Glen R. · Inventors: Harding, Glen R.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An elastic and flexible oral prophylactic that conforms to the mouth. The hygienic appliance includes impermeable and permeable embodiments.
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 19, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 19, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 1988
GrantedJuly 19, 1994
Term endedJuly 19, 2011
Patent numberCA 1330746 C
Classification (IPC)A61F6/00 +1 more
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.