Pressure applicator
CA 1297807 C · Owner: Mckeown, Frank R. · Inventors: Mckeown, Frank R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pressure applicator useful in expelling air from a flexible liner enclosed within a thin-walled shell of a nursing bottle comprises a pushrod having a clip at one end for attachment to an edge of the shell. The opposite end of the pushrod includes an orthogonally positioned pad that is insertable into the shell from one open end to compress the liner, thereby expelling air through a nipple positioned at an opposite end in communication with the liner. One embodiment of the applicator is a unitary structure whereas other embodiments disclose separate pads which are attachable to either an end of a pushrod for air expulsion or to a side member of the pushrod for storage. Another embodiment …
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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.