Method for reinforcing structural supports and reinforced structural supports
CA 2093966 C · Owner: Intec Services, Inc. · Inventors: Boyles, Walter W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system of reinforcing a structural support such as a utility pole in situ includes applying a coating of a curable resin and wrapping a plurality of layers of a fiberglass fabric. The fiberglass fabric is applied in the form of elongated strips having longitudinal and weft fiberglass rovings. The fabric strips are spirally wrapped around the pole while applying a biasing shift to the fabric so that the weft threads are oriented axially to the support and the longitudinal threads extend helically around the support. An electrical resistance heating wire may be included between the wrappings of fiberglass to heat and accelerate curing of the resin.
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 April 14, 1993 and granted July 2, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2015.
- 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.