Vending system and method for preventing multiple product vends
CA 1269433 C · Owner: Vendo Company (The) · Inventors: Pollock, Richard A.; Wilson, Aaron W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
System and method for preventing multiple vends in which a customer gets more than one product for the price of one. The invention is applicable to vending machines having separate vend motors for delivering different products with product selection switches for selectively energizing the vend motors. When one of the vend motors is energized, energization of a second vend motor is inhibited for a predetermined period of time to prevent vending of a second product.
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 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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.