Coin receptacle cover for pay telephones
CA 2267239 A1 · Owner: Quadrum Telecommunications, Inc. · Inventors: Mcgough, Gerald B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coin receptacle cover for attachment to a coin receptacle box and subsequent use in a pay telephone comprising a panel connectable to a coin receptacle , box which defines an opening therethrough for admitting coins into the coin receptacle box. The cover also comprises a movable door mounted for linear reciprocating movement between a closed position covering the opening and an open position uncovering the opening. An actuator arm is mounted for pivotal movement and includes a finger which is engageable by a pay telephone for pivoting the actuating arm upon installation of the coin receptacle cover in a pay telephone. Additionally, a pin and slot arrangement between the movable …
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 September 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 19, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 19, 2019.
- 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.