Extendible sonobuoy apparatus
CA 1262275 C · Owner: Slachta, Joseph J. · Inventors: Congdon, John C.; Richter, Thomas A.; Slachta, Joseph J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
29, ABSTRACT:, EXTENDIBLE SONOBUOY APPARATUS A sonobuoy has several components slidably mounted in an elongated tube (38). The components are longitudinally stacked one above the other at the lower end of the tube when the sonobuoy is in a pre-deployed state and are caused to slide longitudinally upwardly in the tube during sonobuoy deployment to provide a predetermined longitudinal spacing between the components when the sonobuoy is deployed. The components typically include an electronics canister (36) acoustic wave phase controls (72) and one or more active electroacoustic transducers (110). The components are attached to a plurality of flexible support cables (70). The cables 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 October 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 10, 2006.
- 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.