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.

Date of Patent:
Oct. 02, 2012

Filed:

May. 28, 2010
Applicants:

Michael W. Osborne, Louisville, KY (US);

M. Aflal Rahmathullah, Louisville, KY (US);

Cheah Wei NG, Petaling Jaya, MY;

Inventors:

Michael W. Osborne, Louisville, KY (US);

M. Aflal Rahmathullah, Louisville, KY (US);

Cheah Wei Ng, Petaling Jaya, MY;

Assignee:

AAF-McQuay Inc., Louisville, KY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01J 1/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A air gas detection pack is provided. The air gas detection pack has a card receiving pocket which slidably receives a gas detection card, the gas detection card having a plurality of chemically reactive materials retained therein and exposed to outside air through a plurality of aligned air permeable apertures formed in the front and rear wall of the substance detection pack. The combined gas detection card and gas detection pack indicates the concentrations of gases in the air. The air permeable apertures in conjunction with the reactive materials of the substance detection card are covered with a filtering media to protect the reactive material from dirt and dust contamination.


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