Laser system
CA 2470910 C · Owner: White Box, Inc. · Inventors: Baghai, Shahin; Hollander, Milton Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An infra-red measurement device is disclosed having at least two laser emitters (2) which between them define a sighting area (7,7',7"). In one embodiment of the invention two lasers are provided and these are each preferably split into a number of beams by means of for example, a diffraction grating lens (4). The fact that there are two laser emitting devices means that effectively twice the power can be utilised since the limit is per laser emitting device and thus twice the brightness of a conventional device attained. In another embodiment of the invention four laser emitters (2) are employed and the beams (6) can be split by a diffraction grating as before. The laser emitters in the …
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 June 15, 2004 and granted October 9, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 15, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 15, 2026.
- 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.