Method and apparatus for protecting extracts obtained by tapping trees
CA 1137763 A · Owner: Carlier, Philippe & Melkye (Hk) Limited · Inventors: Philippe, Gerard G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for protecting the extracts obtained by tapping trees from rainwater is disclosed wherein a strip, of aluminum foil is attached to the trunk of a tree above a tapping slip so as to form a gutter which diverts the rainwater flowing down the trunk from the tapping slip; the aluminum foil has folds wrinkles or, pleats laterally formed therein and has on at least the lower edge of one surface a pressure sensitive adhesive.
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 December 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
- 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.