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:
Sep. 01, 2009
Filed:
Oct. 29, 2004
Applicant:
Phillip E. Tuma, Faribault, MN (US);
Inventor:
Phillip E. Tuma, Faribault, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for cooling a heat-dissipating component, including an expansion chamber that is expandable between a first volume and a second volume. The expansion chamber adjusts its surface exposure to ambient air according to the operating conditions of the device.