Laser delivery system
CA 1325124 C · Owner: Refractive Laser Research & Development Program, Ltd. A Partnership · Inventors: Poirier, Robert H.; Taboada, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laser delivery system comprises a light weight hollow boom having a bearing intermediate its ends which permits the distal end of the boom to move longitudinally and rotationally relative to the proximal end of the boom without supporting physical contact, e.g. by a layer of fluid. The proximal end of the boom is carried by a boom support for movement about two axes, and includes a fork journalled in a base. In one embodiment, the shaft has a portion offset from the axis thereof, and a beam direction changer, such as a prism, is located along the shaft axis between spaced bearings journalling the shaft and carried by the base. In a second embodiment a light, conducting passage extends …
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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
- Granted December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 2010.
- 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.