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:
Sep. 30, 2008
Filed:
May. 08, 2006
Applicant:
Stuart Francis Metcalfe, Sheffield, GB;
Inventor:
Stuart Francis Metcalfe, Sheffield, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/122 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retro-reflector assembly () for incorporating in an opacity monitor, includes several small corner-cube prisms () of cylindrical section. The invention also includes an opacity monitor incorporating a retro-reflector assembly as defined above.