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:
Aug. 26, 1997
Filed:
Feb. 16, 1995
Applicant:
Inventors:
Frank H Schaedlich, Toronto, CA;
Daniel R Schneeberger, Scarborough, CA;
Assignee:
Tekran Inc., Toronto, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 88 ; 422 91 ; 422116 ; 436 81 ;
Abstract
A cartridge for collecting a sample of mercury or other substance of interest has a tubular housing and an insert, for example, of gold or another metal. The insert comprises a number of wire meshes sintered together to form a substantially unitary insert having an extended surface area, or otherwise is formed as a solid with a large surface area. The housing is provided with a groove and an internal projection as a mechanical coupling formations, to engage and retain the insert.