Sound and vibration absorbing damper
CA 2123642 C · Owner: Tecumseh Products Company · Inventors: Dreiman, Nelik I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hermetic compressor including a vibration damper situated around the outside of the compressor housing. The vibration damper is constructed from a length of wire wrapped around the housing to form a plurality of windings each winding in contact simultaneously with an adjacent one and the housing. The wire is wrapped about portions of the housing having the highest acceleration and vibration production potential. Alternatively the windings may be formed of, separate wires connected to a bracket and further, more than one layer of windings of the equal or different diameters is possible.
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 May 16, 1994 and granted November 3, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 2016.
- 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.