Method and equipment for welding lead wires together
CA 1051523 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Tanaka, Masaru; Matsumoto, Yoshimitsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE OF THE INVENTION:, Method and Equipment for Welding Lead Wires Together ABSTRACT OF THE DISCLOSURE:, A method for welding lead wires together by twisting into strand a plurality of lead wires of electrical parts or the like, producing an arc between the strand and a carbon electrode, thereby completely melting and welding the strand by the heat from the arc to obtain the weldment with high quality. - 1 -
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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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 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.