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:
Jul. 21, 1992
Filed:
Dec. 14, 1990
Applicant:
Inventors:
Reginald B Bennett, Oakville, Ontario, CA;
Reginald S Bennett, Toronto, Ontario, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359529 ; 359515 ; 359530 ;
Abstract
A reflectant surface of retro reflective material comprises a plurality of parallel convex outward ribs having a center-to-center spacing of between 3/8' and 1/16'. The retro reflective surface preferably employs an arrangement of triads mutually perpendicular surfaces, which triads and surfaces are indistinguishable at normal minimum viewing distances.