Slide fastener and method and apparatus for making the same
CA 1047740 A · Owner: Textron Inc. · Inventors: Moertel, George B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slide fastener and method and apparatus for making the same are disclosed wherein coils of filamentary material are secured to adjacent edges of a pair of carrier tapes. Each coil of filamentary material is formed from a filament having a specially shaped cross section which is arranged in a mirror image relationship with respect to its adjacent filamentary coil, first links of one of the coils nesting with first links of the other of the coils with the first links of the one coil being generally parallel to the first links of the other coil and second, links of the one coil nesting with second links of the other coil with the second links of the one coil and the second links of the other …
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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 February 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 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.