Shaving stick
CA 1196866 A · Owner: Colgate-Palmolive Company · Inventors: Piechota, Stanley E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel shaving stick containing as essential ingredients glycerol monooleate, and sodium stearate, in a ratio ranging from about 3/1 to about 5/1 and a method of razor-shaving therewith the stick overcoming prior art, deficiences such as undue softness or hardness insufficient lubricity and, tendencies to liquify or dry out during storage.
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 November 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 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.