US3406244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-liquid heat transfer
Assignee: International Business Machines Corp
•
Filing: 1966-06-07
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Granted: 1968-10-15
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Expires: 1986-06-07
Abstract
No abstract record available.
Inventors
- 👤 Oktay Sevgin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:17
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/20; H05K7/2029; H05K7/203; F; F28; F28C; F28C3/00; F28C3/04; G; G06; G06F; G06F1/00; G06F1/16; G06F1/20; H01; H01F; H01F27/00; H01F27/08; H01F27/10; H01F27/18; H01J; H01J7/00; H01J7/24; G06F2200/00; G06F2200/20; G06F2200/201
Claims Analysis
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References Cited (Backward Citations)
US854312A
Cited
US2214865A
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US2479373A
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US2643282A
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US2831173A
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US2886746A
Cited
GB887383A
Cited
US3091722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |