Flexible reinforced polymeric material
CA 1329909 C · Owner: Perkins, David Joh Bridgwood · Inventors: Holroyd, Eric; Perkins, David Joh Bridgwood
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Figure 3), "Flexible reinforced polymeric material" Flexible reinforced polymeric material (30) typically a tape, comprises two elongate flexible support layers (31) (39) and a plurality of, lengthwise extending cords (36) secured thereto. The respective edges of the support layers (31), (39) are transversely offset to result in a pair of edge regions and some cords (36) are sandwiched between the support layers whilst at least one cord (32)(33)(40) and (37)(38)(41) is secured to one of the edge regions. Preferably the two edge regions have corresponding cord arrangements (32)(33)(40) and (37)(38)(41) provided such that the cords (32)(33)(40) of one edge region may be caused to interlock …
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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 May 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
- 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.