Thermoplastic-rubber wader and method for manufacture
CA 1306107 C · Owner: Lacrosse Footwear, Inc. · Inventors: Barma, Tarachand S.; Nicholson, Jon E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for making a thermoplastic-rubber wader having a rubber footwear bottom and a thermoplastic upper circumferential portion of the bottom, applying thermoplastic adhesive to the treated portion applying a thermo-, plastic strip to the adhesvie coating applying a thermo-, plastic band to the upper to provide an interfacing annular seating surface with the thermoplastic strip heating, sealing the strip and band to provide a fluid tight unitary bond between the bottom and the upper and the wader formed by the above method.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.