Absorbent devices
CA 1197953 A · Owner: The Procter & Gamble Company · Inventors: Gellert, Dale A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Dale A. Gellert, ABSTRACT Absorbent devices, such as catamenial tampons and catamenial pads. The devices comprise an unbonded array of non-absorbent, hydrophillic, resilient moisture insensitive, fibers contained within a porous overwrap. When the devices are intended to be presented in the compressed state the, compressed density of the mass of fibers should be less than about 0.3 grams per cubic centimeter. The devices can contain ancillary absorbent material.
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 December 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 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.