Lighting devices e.g. bicycle lamps
CA 2263076 A1 · Owner: Eveready Battery Company, Inc. · Inventors: Martens, Gregory Michael; Dalton, David Richard; Brown, John Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable lighting device (such as a bicycle lamp) may include the following: an arrangement (illustrated) of light emitting diodes (38 40, 42) at , different angles to each other so that light can travel in at least two directions away from the lighting device; use of multiple images of at least one light emitting diode to present a more visible effect from one or more light emitting diodes; a body portion which will glow when internally generated light falls upon it; a main lamp and openings or channelling means so that light is also emitted from side portions; faired surfaces to facilitate the use of the lighting device in more than one situation; or a lens section having at …
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 13, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 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.