Low voltage electrical distribution system
CA 1304120 C · Owner: Clarke, David Samuel Bernard · Inventors: Clarke, David Samuel Bernard; Thompson, Michael Douglas; Hall, Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A distribution bus 12 comprises a conductor sheet 16 and another electrode 18 separated by an insulating sheet 20 of foamed plastic or foamed glass or by air. A jack plug 14 can be plugged in anywhere on the bus 12 by poking a contact pin 44 through a hole 64 in the conductor sheet 16 to contact the other electrode 18 and poking a contact sleeve 46 through the same hole 64 to contact the conductor sheet 16. The jack plug 14 is clipped to the bus 12 by clips 62 which are pushed through other holes 64 in conductor sheet 16 and are cammed by a rotatable wheel 28 into operative position.
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 June 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.