US5423375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
CPU heat sink mounting structure
Assignee: Individual
•
Filing: 1994-10-06
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Granted: 1995-06-13
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Expires: 2014-10-06
Abstract
Abstract A CPU heat sink mounting structure including a CPU, a heat sink attached to one side of the CPU to hold an electric fan for dissipating heat from the CPU, and a plurality of clamps fastened to the heat sink to hold down the CPU, each clamp having a forked mounting portion fastened to a respective retaining hole on the heat sink and a clamping portion clamped on the CPU to hold down the CPU on the heat sink.
Inventors
- 👤 Ming D. Chiou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:56
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/43; F; F28; F28D; F28D1/00; F28D1/02; F28D1/0233; F28D1/024; G; G06; G06F; G06F1/00; G06F1/16; G06F1/20; H10W40/60; H10W40/641
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
94 words
A CPU heat sink mounting structure comprising a CPU, a heat sink attached to one side of said CPU for dissipating heat from said CPU, and a plurality of clamps fastened to said heat sink to hold down said CPU, wherein each clamp comprises a clamping portion terminating in a hooked tip clamped on said CPU, and a forked mounting portion extended from said clamping portion and fastened to a respective retaining hole on said heat sink by a hook joint, said forked mounting portion having a hooked tip hooked on said heat sink.
Claim 2
Dependent Claim
94 words
A CPU heat sink mounting structure comprising a CPU, a heat sink attached to one side of said CPU for dissipating heat from said CPU, and a plurality of clamps fastened to said heat sink to hold down said CPU, wherein each clamp comprises a clamping portion terminating in a hooked tip clamped on said CPU, and a forked mounting portion extended from said clamping portion and fastened to a respective retaining hole on said heat sink by a hook joint, said forked mounting portion having a hooked tip hooked on said heat sink.
Claim 3
Dependent Claim
81 words
The CPU heat sink mounting structure of claim 1 wherein said heat sink comprises a flat bottom wall attached to said CPU, two stop ribs raised from said bottom wall along two opposite sides, a plurality of retaining holes spaced along the border of said bottom wall between said stop ribs, which receive said clamps, a plurality of radiating fins spaced along the border of said bottom wall opposite to said CPU, and an electric fan disposed within said radiating fins.
References Cited (Backward Citations)
US5357404A
Cited
US5373099A
Cited
US5304735A
Cited
US5309983A
Cited
US5309983B1
Cited
US5353863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-06-12 | 1998-12-12 | 1999-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-06-12 | 2002-12-12 | 2003-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-06-12 | 2006-12-12 | 2007-06-13 | $7700.00 | Window Closed / Lapsed |