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US3465813A
Expired / Lapsed
US
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Method of and means for increasing the heat transfer capability of a heat pipe
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1967-07-26
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Granted: 1969-09-09
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Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert Bromberg
- 👤 Fred E Romie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:10
CPC Classifications
F; F28; F28D; F28D15/00; F28D15/02; F28D15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |