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:
Dec. 29, 1987
Filed:
Jun. 28, 1985
Applicant:
Inventor:
Thomas J Hutchings, Canoga Park, CA (US);
Assignee:
Litton Systems Inc., Beverly Hills, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
356350 ;
Abstract
Apparatus for maintaining the length of a ring laser path and of its branches substantially constant during temperature and stress changes, using forcers directed outward toward the apexes of the ring laser and perpendicular to the laser path.