Starter drive for internal combustion engines
CA 2095069 A1 · Owner: Penchev, Ivan T. · Inventors: Penchev, Ivan T.; Philipov, Dimitar B.; Baronov, Valeri D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
54) Starter drive for internal combustion engines (57) A starter drive for use in machine-building and more specially in transport machine-building for starting internal combustion engines.The starter drive is with a simplified construction,increased reliability and loading capacity. The starter drive consists of plurality of wedging sprags (1),placed in rectangular unilaterally opened holes in an outer (2) and an inner (3)cages. Between the two rigid cages is disposed a smooth band cage (4). The cage (2,3 and 4) together with the sprags (1) are disposed between the inner contact surface (5) with circular cross-section of the shaft (6) of the driving gear (7) and the outer contact surface …
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 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 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.