Patent Yard Sign in
Expired Canadian patentCanada

Chewing gum mineral supplement

CA 1316747 C · Owner: Warner-Lambert Company · Inventors: Zamudio-Tena, Jose F.; Silva, Jose N.; Huzinec, Robert J.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A chewable mineral supplement which comprises: a chewing gum composition coated with an outer shell containing layers of a mineral compound and a coating syrup and wherein the mineral compound has an average a particle size of about 5 to about 75 microns to impart good "mouthfeel" to the chewable mineral supplement.

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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
  • 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 6, 1987
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316747 C
Classification (IPC)A23G4/00 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedAug 6, 1987Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.