US5409352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
CPU heat dissipating device
Assignee: Individual
•
Filing: 1994-04-18
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Granted: 1995-04-25
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Expires: 2014-04-18
Abstract
Abstract A CPU heat dissipating device, which includes a radiating flange having a plurality of radiating fins spaced on a flat bottom plate thereof around a circle and defining a receiving chamber to hold a fan, and a flat cover plate covered on the radiating flange over the fan and having a ventilation port at the center vertically aligned with the fan and a plurality of radial ribs spaced around the ventilation port at the bottom and respectively fitting the radiating fins.
Inventors
- 👤 Mike Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:19
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/58; F04D29/582; H; H10; H10W; H10W40/00; H10W40/40; H10W40/43
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
A CPU heat dissipating device comprising a radiating flange having a bottom plate mounted on a CPU of a mainframe of a computer system and a plurality of radiating fins raised from said bottom plate at the top and spaced around a circle and defining a receiving chamber, which receives a fan, and a flat cover plate covered on said radiating flange over said fan and having a ventilation port at the center vertically aligned with said fan and a plurality of radial ribs spaced around said ventilation port at the top and respectively corresponding to said radiating fins.
Claim 2
Dependent Claim
99 words
A CPU heat dissipating device comprising a radiating flange having a bottom plate mounted on a CPU of a mainframe of a computer system and a plurality of radiating fins raised from said bottom plate at the top and spaced around a circle and defining a receiving chamber, which receives a fan, and a flat cover plate covered on said radiating flange over said fan and having a ventilation port at the center vertically aligned with said fan and a plurality of radial ribs spaced around said ventilation port at the top and respectively corresponding to said radiating fins.
Claim 3
Dependent Claim
33 words
The CPU heat dissipating device of claim 1, wherein said fan comprises a fan shaft mounted in a center hole on said bottom plate and a conductive coil mounted around said fan shaft.
Claim 4
Dependent Claim
75 words
The CPU heat dissipating device of claim 1, wherein said bottom plate of said radiating flange comprises a plurality of hooks respectively hooked on the CPU, a wire hole for passing electric lead wires of a conductive coil, and a plurality of plug holes around four corners thereof; said flat cover plate has a plurality of plug rods at the bottom respectively fitted into the plug holes on said bottom plate of said radiating flange.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-24 | 1998-10-24 | 1999-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-24 | 2002-10-24 | 2003-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-24 | 2006-10-24 | 2007-04-25 | $7700.00 | Window Closed / Lapsed |