US3141999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling of modular electrical network assemblies
Assignee: Unisys Corp
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Filing: 1959-06-08
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Granted: 1964-07-21
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Expires: 1979-06-08
Abstract
No abstract record available.
Inventors
- 👤 Schneider Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/20218; H05K7/20254
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A MINIATURE ELECTRONIC NETWORK ASSEMBLY COMPRISING, A HEAT EXCHANGER COMPRISING AN ELONGATED MEMBER HAVING A PLURALITY OF OUTWARDLY EXTENDING FINS, A PLURALITY OF CIRCUIT SUB-ASSEMBLIES EACH HERMETICALLY SEALED IN A THIN WAFER-LIKE CASING HAVING TWO SUBSTANTIALLY FLAT MAJOR SURFACES, ALL OF SAID SUB-ASSEMBLIES BEING NESTED AROUND SAID ELONGATED MEMBER WITH THEIR MAJOR SURFACES IN INTIMATE HEAT TRANSFER RELATION WITH SAID FINS, WHEREBY THE HEAT GENERATED BY SAID SUB-ASSEMBLIES WHEN ENERGIZED IS TRANSFERRED ACROSS THE MINIMUM DIMENSION OF SAID CASINGS TO SAID FINS WHICH CONDUCT THE HEAT TO SAID ELONGATED MEMBER, AND MEANS INTERCONNECTING SAID CIRCUIT SUB-ASSEMBLIES IN A SYSTEM NETWORK.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |