Patent Yard Sign in
Expired Canadian patentCanada

Dropper bottle and method of making same

CA 1333063 C · Owner: Hansen, Bernd · Inventors: Hansen, Bernd

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

The dropper part of a plastic dropper bottle is constructed in one piece with the head of the bottle. The dropper bottle is made from a tube of heat-sealable material. Following formation of the bottle body a portion of, the bottle body with a calibrated inside area is formed into a dropper.

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 15, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 15, 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.
FiledSeptember 22, 1988
GrantedNovember 15, 1994
Term endedNovember 15, 2011
Patent numberCA 1333063 C
Classification (IPC)B65D47/18

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedSep 22, 1988Patent grantedNov 15, 1994Term endedNov 15, 2011

Sources & verification

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