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:
Oct. 03, 1978
Filed:
Feb. 22, 1977
Applicant:
Inventor:
Peter M Noble, Valencia, PA (US);
Assignee:
Westinghouse Air Brake Company, Swissvale, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ;
U.S. Cl.
CPC ...
356123 ; 316 23 ; 356255 ; 362285 ;
Abstract
A method of locating the filament of a light bulb at the focal point of a parabolic reflector comprising the steps of placing an optical instrument into the electrical socket for the light bulb, positioning the electrical socket and optical instrument until a reticle of the optical instrument is situated at the focal point of the parabolic reflector, and replacing the optical instrument by a light bulb.