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. 17, 2002
Filed:
Apr. 28, 1998
Applicant:
Inventors:
Duane William Zugel, San Diego, CA (US);
Emanuel Szumer, Bikat Beit HaKarem, IL;
Assignee:
Kapro Industries Ltd., Beit Hakerem, IL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 9/32 ;
U.S. Cl.
CPC ...
G01C 9/32 ;
Abstract
A spirit level comprising a body having a level face for setting a surface, at least one bubble vial mounted in the body, the bubble vial having a longitudinal axis generally perpendicular to the level face, and an optical transfer element fixed to the body which transfers an image of the bubble vial to a viewing plane generally parallel to the level face.