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:
Dec. 18, 2007
Filed:
Sep. 22, 2005
Applicants:
Allan G. Hanson, Granville, OH (US);
Frances Lampi, Circleville, OH (US);
Inventors:
Allan G. Hanson, Granville, OH (US);
Frances Lampi, Circleville, OH (US);
Assignee:
Columbus Industries, Inc., Ashville, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/15 (2006.01); B32B 3/10 (2006.01); B32B 7/04 (2006.01); B01D 47/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An evaporative pad comprising a plurality of layers of highly absorbent slit and expanded wicking papers and at least one layer of slit and expanded non-absorbent material carrying a coating of adsorbent particles bonded to exposed surfaces of the layer of non-absorbent material disposed between a pair of adjacent wicking layers in the pad. The wicking layers and non-absorbent layer coated with adsorbent particles are disposed in parallel overlying relationship to one another and bonded together to form the evaporative pad.