Flashlight with rechargeable lithium-ion battery
CA 2548744 C · Owner: Streamlight, Inc. · Inventors: Sharrah, Raymond L.; Ziegenfuss, Peter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flashlight has a head assembly with a charging member extending laterally to an external charging contact and a barrel slidably housing a battery assembly. A tail assembly having a slidable actuating member is positioned in abutment with the battery assembly. A connection module is positioned in the head assembly, an has a continuous connection means for maintaining a continuous electrical connection between the charging member and the battery and also , intermittent connection mechanism for intermittenly connecting the battery with the lamp.
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 20, 2004 and granted July 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 20, 2024.
- 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.
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.