Patent US3217796A successfully refreshed from Google Patents.
US3217796A
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US
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Space radiator
Assignee: RTX Corp
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Filing: 1961-11-30
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Granted: 1965-11-16
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 La Verne G Eklund
- 👤 William H Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:27
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/46; B64G1/50; B64G1/503; B64G1/52; B64G1/56; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/101; Y10S165/102; Y10S165/103
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |