The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 1999
Filed:
Dec. 04, 1997
Applicant:
Inventors:
Piero Perlo, Sommariva Bosco, IT;
Claudia Bigliati, Trino, IT;
Vito Lambertini, Giaveno, IT;
Piermario Repetto, Turin, IT;
Sabino Sinesi, Piossasco, IT;
Assignee:
C.R.F. Societa Consortile per Azioni, Orbassano, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
362328 ; 362335 ; 362337 ;
Abstract
A lighting device which can be used for illuminating pedestrian crossings or in other applications where it is necessary to form a defined and uniform rectangular pattern includes a parabolic reflector element and a planar screen with an array of cylindrical microlenses or microprisms on a surface thereof.
Perlo, Piero. (1999). Lighting device for generating a rectangular pattern at the work area, (U.S. Patent No. 5997156). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5997156
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile