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:
Jan. 29, 1991
Filed:
Jun. 22, 1989
Applicant:
Inventors:
Richard S Harner, Midland, MI (US);
Charles J Myers, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 961 ; 25022711 ; 356440 ; 356246 ;
Abstract
An in-line fiber optic probe interface includes a sample cell with a bore therein defining an optical axis. A controller housing is centered by o-ring seals in the bore and a pathlength controller is mounted on the housing. A fiber optic probe is disposed in the housing and controller, sealed thereto by o-ring seals at multiple points to maintain the probe in appropriate alignment on the optical axis.