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:
Feb. 26, 1991
Filed:
Oct. 27, 1989
Applicant:
Inventor:
Frank V Linker, Springfield, PA (US);
Assignee:
American Tech Manufacturing, Corp., Glenolden, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250561 ; 33645 ;
Abstract
A signal device for operation on a path including a movable reflector aligned to move along an axis and a light source and light detector positioned to provide a signal trip point when light from the source is reflected by the reflector to the detector at a predetermined location on said axis.
Quick Actions:
Linker, Frank. (1991). Coplanarity inspection machine (U.S. Patent No. 4996439). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4996439
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