Improved structure for lamp socket
CA 2311979 A1 · Owner: Tsai, Hung-Chi · Inventors: Tsai, Hung-Chi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved structure for a lamp socket the socket connects a, lamp bulb, it is provided therein with a positive and a negative conducting piece to contact the lamp bulb. Electric wires are fixed on the other end of the lamp socket with a cover. One end of each of the positive or negative conducting piece pierces the insulation layers of the electric wires to contact the internal wires. The main design of the present invention is resided in providing two transversely "L" shaped fixing blocks on the external wall of the lamp socket the fixing blocks can be, closed to each other to form a wire hole opened in the up and down direction, thereby, a plurality of lamp sockets on the electric wires …
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
- Filed June 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 2022.
- 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.