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.

Date of Patent:
Jul. 22, 2003

Filed:

Nov. 20, 2001
Applicant:
Inventor:

Paul Reilly, Thousand Oaks, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 3/56 ;
U.S. Cl.
CPC ...
G01B 3/56 ;
Abstract

The protractor has a body which has three reference surfaces, two being parallel and one being at right angles to them. A web between the surfaces carries a protractor dial which is rotatable on the protractor body. The dial carries a reference surface and can be set in position by means of a visual indicia, by sine measurement, or by memory links. Great accuracy can be achieved by use of the sine measurement.


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