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CA 1316548 C · Owner: Lebedev, Jury Alfredovich · Inventors: Lebedev, Jury Alfredovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A casing is made parting along its longitudinal axis and accommodates a coaxially mounted flexible tubular chamber. Spacer inserts are provided between parting halves of the casing and have a trapezoidal crosssection with the larger base of the trapezium bearing against the flexible tubular chamber and the sides bearing against the inner surface of the casing wall. A pair of nipples are provided for supplying fluid to the interior space of the flexible chamber and for air escape therefrom. The powered member has a means for attaching each end of the flexible tubular chamber to a head of the nipple, said means being formed by a pair of cylindrical bushings interconnected by means of a tenon …
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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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 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.