Structureborne noise isolator
CA 2122441 A1 · Owner: Sperry Marine Inc. · Inventors: Lahham, Jamil I.; Brazell, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A structureborne noise isolator employs a two axis system whereby a noise generating platform is coupled to an inner frame (13) by a first pair of diametrically positioned noise isolators (14a 14b), the inner frame (13) being coupled to an outer frame by a second pair of diametrically positioned noise isolators (18a 18b). At least one noise isolator comprises a coil spring shrink fitted at one end to an inner housing (13) and at the other end to a cover. The inner housing (13) is inserted into an outer housing (17) with a damping compound between and potted to the inner and outer housings (13, 17). Additional damping compound is bonded to the base of the outer housing (17) separating the …
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 December 2, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2014.
- 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.