Shield
CA 1110008 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Richards, Shirley T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable shield for garment protection and everyday feminine hygiene including odor control comprising a very thin, lightweight, highly absorbent structure is disclosed. The shield is soft, rattle-free supple and easily, comformable to the body and the garment and can be securely positioned to the crotch section of a panty or other undergarment.
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 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 1998.
- 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.