Electrical circuit distribution structure for decorative lighting string
CA 2282034 A1 · Owner: Wu, Jeng-Shyong · Inventors: Wu, Jeng-Shyong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical circuit distribution structure for a Christmas lighting string is consisting of a lamp bulb lamp base, lamp holder, multiple electrical conductors receptacles, flasher control and non-electrical conductor. The electrical conductors, lamp base and lamp holder being connected in series, parallel or series and parallel to form a complete circuit of the lighting strings. It is to use non-electrical conductors and electrical conductors to be connected or wound, and the said non-electrical conductors are simultaneously or individually fixed with electrical conductors by making knots. Thus the lamp bulbs are limited in proper spaced at intervals so as to form a certain appearance, …
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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
- Filed September 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2021.
- 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.