Watertight universal housing
CA 2448480 A1 · Owner: Underwater Systems & Technology Pty Ltd. · Inventors: Da Silva, Robert James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A watertight universal housing (1) which allows video cameras or other , electronic devices, to be operated underwater. The term "universal" is intended to indicate the housing's suitability for use with a range of different video cameras or other electronic devices. The watertight universal housing has a sealable internal cavity (3) which is adapted to receive a remotely controllable electronic device (4) a programmable controller (6): , and an electromagnetic signal transmitter (5) in the housing which is controlled by the programmable controller. The programmable controller is designed to receive a command to control the remotely controllable electronic device from a command …
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 March 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2024.
- 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.