Plastics material mesh structure
CA 2062896 A1 · Owner: Gardner, Kenneth · Inventors: Mercer, Frank Brian; Martin, Keith Frazer; Gardner, Kenneth
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A starting material is provided having a rectangular grid of holes and the starting material is stretched in the MD to such an extent that the junctions are not significantly oriented, is stretched in the TD to such an extent that the junctions are not significantly oriented, and is finally stretched in the MD to such an extent that the junction centres thin down by at least 30% and there is significant narrowing down of the junction. The resultant MD stretch is substantially greater than the resultant TD stretch. The MD strands having thinned down and oriented to a substantial degree, cause the orientation to pass into the ends of the junctions and right through the junctions. The …
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 March 12, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2014.
- 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.