Waterproof retractable tarp cover system for containers
CA 2124365 C · Owner: Morrow, Michael J. · Inventors: Morrow, Michael J.; Henning, Steven A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tarp cover system includes a plurality of bows that extend transversely across an open-topped vehicle-mounted container for supporting a tarp cover characterized in that the drive system for driving the bows between container-covered and container-uncovered conditions includes at each side of the container an endless cable arrangement including a pair of parallel horizontally-spaced runs that are contained in a common horizontal plane and are arranged on opposite sides of a longitudinally extending support upon which the bows are slidably mounted. Protective flanges extend laterally from the support above the cable runs, thereby to protect the cable runs during loading and unloading of …
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 May 26, 1994 and granted April 27, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2016.
- 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.