Patent Yard Sign in
Expired Canadian patentCanada

Temperature - responsive pacifier assembly

CA 1329749 C · Owner: Berndt, Dieter R. · Inventors: Berndt, Dieter R.

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

There is disclosed an improved temperature responsive orthodontically-shaped pacifier assembly having an insert member with two liquid crystal capsules or eyes making positive pressure contact with a nipple portion and wherein the liquid crystal capsules or eyes are responsive to different temperatures above about 98°F. whereby one capsule changes color representative of a low grade fever and both capsules change color representative of a high grade fever.

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 May 24, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 28, 1989
GrantedMay 24, 1994
Term endedMay 24, 2011
Patent numberCA 1329749 C
Classification (IPC)A61B5/00 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJuly 28, 1989Patent grantedMay 24, 1994Term endedMay 24, 2011

Sources & verification

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