Universal telephone test apparatus
CA 1238732 A · Owner: Vande Vyver, Michael · Inventors: Vande Vyver, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Universal Telephone Test Apparatus ABSTRACT OF THE DISCLOSURE, Universal telephone test apparatus is shown according to the preferred embodiment of the present invention as including first and second test jig apparatuses. The test jig apparatuses include in their most preferred form three light emitting diodes (LED's) for each pair of wires of a multiple wire pair cable. The test jig apparatuses may be electrically connected to the telephone electrical connection blocks allowing simultaneous diagnosis of all possible electrical connection conditions of each of the wire pairs of the cable. Additionally, the test jig apparatus may be electrically connected to telephone base cords by …
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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 June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- 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.