Expired Canadian patentCanada
Liquid absorbent cap for delivery system for toiletries
CA 1233784 A · Owner: American Cyanamid Company · Inventors: Morris, Edward
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
29,439, NOVEL LIQUID ABSORBENT CAP FOR DELIVERY SYSTEM FOR TOILETRIES, A liquid absorbent cap means fitting over the applicator surface of a device for applying liquid materials to the skin with a poromeric applicator surface.
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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 March 8, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 8, 2005.
- 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, 1984
GrantedMarch 8, 1988
Term endedMarch 8, 2005
Patent numberCA 1233784 A
Classification (IPC)A45D33/02 +2 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.