Voltage arrestor for use with delicate electronic components
CA 2224259 A1 · Owner: Maxwell Energy Products, Inc. · Inventors: Johnson, Steven W.; Maki, Kenneth C.; Mcarron, Douglas P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A glass-to-metal hermetic seal device which is particularly adapted for application in high pressure and other hostile environments for suppressing or dissipating electrostatic energy incorporating an improved glass-to-metal hermetic seal. The interior of the device incorporates and creates an in-situ gas-filled electrical discharge tube. The gas is an ionizable gas and may conveniently comprise a mixture of nitrogen and Argon although other ionizable gases such as Xenon may be used. The devices of the present invention utilize one or more electrodes which enter the gas-filled chamber and when, the electrical field of sufficiently high potential is created within the gas-filled chamber, 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 9, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 9, 2019.
- 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.