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:
Apr. 15, 1980
Filed:
Jul. 17, 1978
Applicant:
Inventors:
Donald H Van Steenwyk, San Marino, CA (US);
John R Cash, Pasadena, CA (US);
Paul W Ott, Pasadena, CA (US);
Assignee:
Applied Technologies Associates, San Marino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; G01C / ;
U.S. Cl.
CPC ...
33304 ; 33321 ; 33324 ;
Abstract
Survey apparatus and method employs one or more rate gyroscopes having spin axis components directed along an instrument travel axis and in also in directions normal to the travel axis, so that when the gyroscope or gyroscopes are rotated, the earth's rate of rotation will be detected, at all latitudes and at all instrument attitudes.