Pay telephone with large capacity coin path
CA 2288663 A1 · Owner: Quadrum Telecommunications Inc. · Inventors: Mcginty, Joseph R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coin operated pay telephone (1000) specially adapted to have a large capacity coin path capable of accepting and processing coins as large as about 35 mm in diameter. The pay telephone (1000) includes a coin receptacle (1012) for collecting coins and a coin return device (1014) for returning coins and slugs to the user of the pay telephone. A coin validator (1008) is provided for rejecting slugs and invalid coins and accepting valid coins and an escrow , device (1010) is provided for receiving accepted coins from the coin validator and for selectively discharging coins to the coin receptacle and/or to the coin return device. All of the components are specially adapted for …
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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 April 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 2020.
- 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.