Power operated can opener with power-pierce, automatic shutoff, removable cutter mounting plate and including a unique thrust means for moving the can feed wheel relative to the cutter element

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 June 18, 1974. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 1991.
• We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.