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. 24, 1985
Filed:
Feb. 15, 1983
Applicant:
Inventor:
Randall J Wright, Brookfield, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
33379 ; 33389 ;
Abstract
A pitch measuring device for measuring the deviation of one line or plane from a referenced line or plane. The device comprises a pitch vial including a cavity containing a liquid and a bubble hermetically sealed therein. Indicia, pre-calibrated to the axis of the vial body, are applied to the vial body to provide a visual display of the amount of pitch of a measured surface by reference to bubble position in the vial cavity in relation to the body indicia. The vial cavity is symmetrically disposed about the vial axis with a larger radius at one end than at the other of the vial to provide pre-selected bubble orientation in response to selected pitch conditions.