Beverage dispenser
CA 2129536 C · Owner: Griffin, Weldon E. · Inventors: Griffin, Weldon E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a drink dispenser (10) of the evaporator coil electric refrigeration system type which provides for an increase drink dispensing capacity. The present invention is provided with the insulator pads ( 19a 19b) affixed to the evaporator, coils (18) to prevent the ice bank (21) from forming against a portion of the tank (12) walls and to provide a channel (22a, 22b) between the lower and upper portions of the tank (12) to create an increased circulation of cooling liquid about the ice bank (2). That increased circulation increases the amount of heat that can be exchanged between the product lines ( 14) and the cooling liquid, thereby increasing the amount of drinks that …
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 February 8, 1993 and granted October 13, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 8, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 8, 2015.
- 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.