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. 29, 1990
Filed:
Jul. 12, 1989
Applicant:
Inventor:
Brook J Beaston, Wichita, KS (US);
Assignee:
Great Plains Industries, Inc., Wichita, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73-3 ; 73427 ;
Abstract
A calibration container for accurately measuring a desired quantity of a selected liquid, the calibration container comprising an open-top vessel made of a substantially transparent material and having a neck portion extending vertically from a body portion thereof. Scale support ribs extend along opposite sides of the neck portion to slidably support a graduated indicator scale which has a zero indicator mark, the indicator scale attachable to the neck portion in a permanent location determined after aligning the zero indicator with a liquid meniscus formed in the neck portion and viewable through the neck portion.