Plant growth bed with high loft textile fibers
CA 1304941 C · Owner: Hobbs Bonded Fibers · Inventors: Carpenter, Tim Dewey; Hobbs, Claude Carey
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plant growth bed for growing plants includes a bag formed of a relatively thin plastic sheet material impervious to passage of liquids and air therethrough with a relatively high loft bedding of crimped textile fibers substantially filling the bag. The major portion of crimped textile fibers are hydrophobic staple fibers and the remaining minor portion of the crimped textile fibers are hydrophilic fibers intermixed or blended together. The high loft of the textile fibers provides open spaces around the fibers to allow for optimum air for proper root development and plant growth. The bedding is readily compressible as for compact shipment to about 1/5 the thickness of the uncompressed high …
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 July 14, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 14, 2009.
- 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.