Patent Yard Sign in
Expired Canadian patentCanada

Method of cultivating plants, vegetables and grasses, and growth medium therefor

CA 1302709 C · Owner: Herzog, Rudolph · Inventors: Herzog, Rudolph; Brehm, Heide

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A method of cultivating plants vegetables, or grasses, which comprises broadcasting seeds onto a mat of natural fibrous fleecy material located on a base of water-impermeable material, irrigating the mat with nutritive solution to enable germination of the seeds to produce seedlings and after roots have, grown through to the underside of the mat adjacent the base peeling the mat, from the base for transfer to an installation site for the seedlings. The invention has the advantage that no humus growth medium is required which, results in significant weight reduction and consequent savings in cost and labour where, for example, the technique is used for cultivation of turf. PAT 1313-1

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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 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.
FiledJanuary 23, 1987
GrantedJune 9, 1992
Term endedJune 9, 2009
Patent numberCA 1302709 C
Classification (IPC)A01C1/04 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJan 23, 1987Patent grantedJune 9, 1992Term endedJune 9, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.