Compound timber-metal stressed decks
CA 1312422 C · Owner: Mozingo, Ralph · Inventors: Mozingo, Ralph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a bridge deck comprised of longitudinally positioned timbers having metal plates inserted between the timbers. Transversely positioned rods apply compressive forces to the timbers and metal plates. Resulting friction causes bridge deck components to behave as a single unit. The metal plates are inserted between timbers of various sizes and lengths of the stressed deck bridge. Proper transverse stressing of component parts by use of high strength steel rods or tendons allows shear and flexural stresses, caused by applied loads to be transferred between, plates and timbers by friction alone without glue or metal fasteners. Deflections, caused by applied loads, are …
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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 January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2010.
- 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.