Uniform intensity profile catadioptric lens
Patent 5029060 Issued on July 2, 1991. Estimated Expiration Date: 
July 17, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 17, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2015235 Light signalling device Patent #: 4962450 InventorsApplicationNo. 554017 filed on 07/17/1990US Classes:362/299, With or including refractor362/309, With complex surface362/329Enclosure typeExaminersPrimary: Husar, Stephen F.Attorney, Agent or FirmInternational ClassF21V 007/00AbstractThe present invention is a light fixture having a reflector designed to discard preselected amounts of light from a light source. The percentage of the light discarded will vary over the surface of the reflector in order to provide a predetermined output intensity distribution. | |
