Expired Canadian patentCanada
Expandable battery compartment for handheld electronic devices
CA 2726141 C · Owner: Research In Motion Limited · Inventors: Tyneski, Frank; Griffin, Jason; Ladouceur, Norm
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a portable electronic device having a battery compartment and a removable cover therefor the battery compartment and cover are configured to accommodate batteries of at least two different sizes.
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 August 25, 2006 and granted March 15, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 25, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 2006
GrantedMarch 15, 2016
Term endedAugust 25, 2026
Patent numberCA 2726141 C
Classification (IPC)G06F1/16 +1 more
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.