Target illumination device
CA 2324626 A1 · Owner: Spatafore, Pat L. · Inventors: Bubnoski, David P.; Spatafore, Pat L.; Hahn, James C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for illuminating a target is provided. The target illumination device has a radiation source (20), a lens (140) and a deflector (120). The lens and the deflector are disposed in spaced apart relationship defining a transmission space (106) therebetween and a reflection space (136) proximate the transmission space. The lens is adapted to receive incident radiation from the radiation source and to transmit at least a portion of the incident radiation in a first direction through the transmission space in a manner such that the transmitted radiation is substantially uniform through the transmission space and such that the reflection space is substantially devoid of …
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 March 17, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 17, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 17, 2021.
- 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.