Bleached peat moss
CA 1137707 A · Owner: Johnson & Johnson Inc. · Inventors: Lalancette, Jean-Marc; Coupal, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bleached peat moss having a minimum color of 65 as measured on the Hunter L Scale with the majority of the peat moss being in the form of a leaf. The leaf is a one cell-layer thick and has a plurality of parallel rows of cells disposed over the surface.
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.