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:
Oct. 14, 2003
Filed:
Jul. 17, 2001
Applicant:
Inventors:
Larry Don Robertson, Jewett, TX (US);
Robert Allen Garrison, Southlake, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 4/600 ; G01N 1/00 ;
U.S. Cl.
CPC ...
B01D 4/600 ; G01N 1/00 ;
Abstract
An insert for a cassette that is adapted to sample particulate matter in air. The insert has an upstream end that is circular and a downstream end that is flange shaped with substantially smooth walls between the upstream and downstream ends of the insert. The cassette with the insert disposed therein is also described.