Patent
   D273006
Priority
Apr 08 1981
Filed
Apr 08 1981
Issued
Mar 13 1984
Expiry
Mar 13 1998
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for a twin heat sink for electronic semiconductor devices, substantially as shown and described.

FIG. 1 is a perspective view of a twin heat sink for electronic semiconductor devices showing my new design; the broken lines being shown for illustrative purposes, only;

FIG. 2 is a front elevational view of the same heat sink;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof, looking toward the right side of the heat sink as it is shown in FIG. 1;

FIG. 5 is a side elevational view thereof, looking toward the left side of the heat sink as it is shown in FIG. 1;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

McCarthy, Alfred F.

Patent Priority Assignee Title
6633485, Nov 20 2002 Illinois Tool Works Inc. Snap-in heat sink for semiconductor mounting
Patent Priority Assignee Title
3407868,
3893161,
4012769, Aug 04 1975 Thermalloy Incorporated Heat sink with parallel flat faces
4054901, Oct 14 1975 Thermalloy, Inc. Index mounting unitary heat sink apparatus with apertured base
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Apr 03 1981MC CARTHY, ALFRED F AAVID ENGINEERING,INC A CORP OF NEW HAMPSHIREASSIGNMENT OF ASSIGNORS INTEREST 0040990238 pdf
Apr 08 1981Aavid Engineering, Inc.(assignment on the face of the patent)
May 12 1988AAVID ENGINEERING, INC , A N H CORP MNC COMMERCIAL CORP , A MD CORP SPECIAL POWER ATTY , ASSIGNOR HEREBY APPOINTS ASSIGNEE AS ITS POWER OF ATTORNEY TO ACT IN ALL MATTERS INVOLVING SAID PATENTS 0052430039 pdf
May 12 1988AAVID ENGINEERING, INC , A NH CORP MNC COMMERCIAL CORPSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0052430024 pdf
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