Glassware forming machine
CA 1329004 C · Owner: Bolin, James A. · Inventors: Bolin, James A.; Powers, Irving
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cooling system for a glassware forming machine in which air is delivered to each of two plenums for upward flow of air through vertical passages in mold members on the plenums from an air outlet on the base of the machine via an air duct having a horizontal section, an inlet section extending down from one end of the horizontal section into a hole in an oscillable disk closing the outlet and an outlet section extending up from the other end of the horizontal section into a hole in the plenum.
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 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 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.
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.