Portable computer riser for enhanced cooling
Patent 6181554 Issued on January 30, 2001. Estimated Expiration Date: 
October 8, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 8, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCollapsible cooling apparatus for portable computer Patent #: 5552960 InventorsApplicationNo. 184143 filed on 10/08/1998US Classes:361/687, With cooling means361/683, Computer related support361/688, With cooling means361/690AirExaminersPrimary: Picard, Leo P.Assistant: Chang, Yean-Hsi Attorney, Agent or FirmInternational ClassH05K 007/20AbstractPassive cooling of a portable personal computer is enhanced by providing a capability for raising one side of a computer with respect to another thus exposing the bottom surface of the computer base to the ambient air with the heat being dissipated providing an air flow over the bottom surface of the base portion of the computer. A mechanism is provided that is actuated by opening the cover that positions the base in a tilted position. An improved keyboard angle also results.Other References
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