Deferred-action battery
CA 1268807 C · Owner: Energetics, Inc. · Inventors: Hruden, Wayne R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A deferred-action battery having a rotor in the form of a sealed annular chamber capable of holding an electrolytic solution and a stator capable of holding a carbon rod, cathode mix, separator a, bottom insulator and an anode, the top of the stator being complementary with the bottom of the rotor such, that the outer generally cylindrical surfaces of the stator and the rotor may be gripped by hand and twisted or rotated with respect to each other rupturing the bottom of the rotor to activate the battery, is disclosed. 28560003S/JWPIII 1/9/85
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
- Granted May 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
- 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.