Coupon inserter
CA 2224292 C · Owner: Kuehl, Craig M. · Inventors: Boehm, Michael.; Kuehl, Craig M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupon inserter assembly receives a continuous supply of coupons in the form of a web where the forwardmost coupon is attached to the following coupon along a weakened web portion. The inserter assembly includes a pair of intermittently rotating feed rollers and a pair of continuously rotating delivery rollers. An activation sensor is located at a dispensing location or a conveyor carrying receiving products for receiving coupons. When the activation sensor senses a receiving product, a signal is sent to a clutch-brake to activate the feed rollers. The feed rollers then feed the web into the delivery rollers. When a deactivation sensor located beyond the delivery rollers senses the …
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 December 9, 1997 and granted July 22, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 9, 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.