Sewing machine
CA 1063437 A · Owner: Mattel · Inventors: Rich, Hubert A.; Bass, Sidney
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrically operated chain stitch sewing machine having a cartridge carrying a spool of thread and a pre-threaded needle mounted in the side of the head, the needle being normally biased in a retracted position within the cartridge and being actuated by a crank arm provided with means for rendering the electrical switch inoperative until the needle is retracted into the cartridge. The bed of the machine is provided with a thread looping subassembly actuated by the needle.
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 October 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 2, 1996.
- 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.