Coin apparatus for prepay coin telephones
CA 1236232 A · Owner: Quortech Solutions, Inc. · Inventors: Ellis, John G.; Gumb, Beverley W.; Thompson, Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, In a prepay coin telephone set the amount of coins, held in escrow prior to setting up a call is limited generally by, space considerations. By providing a bypass passage from the escrow unit to the coin collecting box, any coins above a particular total value will pass into the bypass passage. As all the coins passing to the escrow unit will have been counted and valued, it is still, possible to know the total amount of coins deposited. A user can insert more coins than the limit normally set by the conventional escrow unit, for example in preparation for a lengthy or expensive call. - i -
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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 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.