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:
Mar. 11, 1980
Filed:
Nov. 03, 1977
Applicant:
Inventor:
Anthony R Barringer, Golden, CO (US);
Assignee:
Barringer Research Limited, Rexdale, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 28 ;
Abstract
A method of collecting and processing geochemical samples in which particles which are contained on the very surface, or surficial layer of the earth, or of vegetation are collected, and are graded to exclude fine particles below about 50 microns in size.