Envirocap
CA 2005326 A1 · Owner: Herr, Robert W. · Inventors: Herr, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The "ENVIROCAP" is a specially designed environmental protection device which is placed on the top of the stack and removes the possibility of rainfall from entering the top of the stack and seeping through the stack of bundles to the bottom where it becomes a contributor to environmental damage. The "ENVIROCAP" is manufactured in various lengths and widths and can be customized to meet specific needs. The standard unit is manufactured from steel plate with four inch bevelled edges on all sides. The unit is handled by industry forklift using the two fully enclosed pockets located on the top of the unit appropriately placed to provide balance and simplicity. The "ENVIROCAP" stands on two …
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 13, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 2011.
- 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.