Patent
   D280320
Priority
Jul 29 1983
Filed
Jul 29 1983
Issued
Aug 27 1985
Expiry
Aug 27 1999
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a twisted-fin heat sink for electrical devices, substantially as shown.

FIG. 1 is a perspective view of a twisted-fin heat sink for electrical devices showing my new design;

FIG. 2 is a front elevational view thereof;

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
D300738, Nov 16 1987 Aavid Thermalloy, LLC Heat sink or similar article
D663276, Jun 22 2011 Foxconn Technology Co., Ltd. Cooling fin
D664102, Sep 28 2011 Foxconn Technology Co., Ltd. Cooling fin
D933617, Sep 13 2019 CAVIUM INTERNATIONAL; Marvell Asia Pte Ltd Heat sink cover
Patent Priority Assignee Title
3378736,
4054901, Oct 14 1975 Thermalloy, Inc. Index mounting unitary heat sink apparatus with apertured base
4222090, Nov 25 1977 Micromodular electronic package
GB1334173,
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Jul 18 1983MC CARTHY, ALFRED F AAVID ENGINEERING INC , A CORP OF N H ASSIGNMENT OF ASSIGNORS INTEREST 0043960683 pdf
Jul 29 1983Aavid 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
May 12 1988AAVID ENGINEERING, INC , A N H CORP MNC COMMERCIAL CORP , A MD CORP SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0052430045 pdf
Oct 06 1993MARYLAND NATIONAL BANK AS SUCCESSOR-IN-INTEREST TO MNC CREDIT CORP AAVID ENGINEERING, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0067470643 pdf
Oct 14 1993AAVID ENGINEERING, INC LASALLE BUSINESS CREDIT, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0067470635 pdf
Sep 13 1996AAVID ENGINEERING, INC LASALLE BUSINESS CREDIT, INC SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0080590087 pdf
Sep 13 1996AAVID THERMAL PRODUCTS, INC LASALLE BUSINESS CREDIT, INC AMENDMENT: AMEND CONVEYING PARTY S NAME ON PREVIOUSLY RECORDED ASSIGNMENT OF SECURITY INTEREST IN PATENTS, REEL 8059 FRAME 0087, RECORDED 10 07 960089890917 pdf
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