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:
May. 19, 1987
Filed:
May. 02, 1985
Applicant:
Inventors:
Assignee:
Tokyo Kogaku Kikai Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01C / ; G01B / ; G02B / ;
U.S. Cl.
CPC ...
356138 ; 356249 ; 33366 ; 33377 ; 350286 ;
Abstract
An inclination measuring apparatus having a prism and a container having a liquid sealed therein for providing a liquid surface perpendicular to the direction of gravity. A member constructed from thermal conductive material is position under the liquid surface to maintain the liquid surface level in the presence of ambient temperature changes.
Tamaki, Hiroshi. (1987). Inclination measuring apparatus having a prism with associated liquid (U.S. Patent No. 4666299). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4666299
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