Pressor foot for a concealed slide fastener
CA 1073751 A · Owner: Yoshida Kogyo K.K. · Inventors: Doori, Hisashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A presser foot for a concealed slide fastener has a sole plate slidably supported on a stem the sole plate, having in its sole a pair of guide grooves extending along the length thereof. A first needle hole in the sole plate is located between the guide grooves and a second needle hole therein is located at one side of the sole plate. The sole is divided by the guide grooves into two portions one, of which is wider than the other, the second needle hole being provided in the wide sole portion. A throat plate of a sewing machine has a third needle hole and a pair of spaced slots one on each side of the third needle hole the, slots receiving a pair of feed dogs respectively. The sole, plate …
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 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 1997.
- 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.