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:
May. 09, 1989
Filed:
Jul. 30, 1987
Applicant:
Inventors:
Robert C Franklin, Los Gatos, CA (US);
Charles J Stauss, Los Gatos, CA (US);
Assignee:
Zircon International, Inc., Campbell, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
33366 ; 33391 ; 33396 ;
Abstract
An electronic level for determining the angular orientation of a structure, where the error angle between actual and desired angular orientation of the structure is indicated by a variable signal perceptible to the user.