US2658332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cooled, refractory, ceramic lined rocket structure
Assignee: Unifrax I LLC
•
Filing: 1951-03-21
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Granted: 1953-11-10
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:49
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/972; F02K9/974; F42; F42B; F42B15/00; F42B15/34; F05; F05D; F05D2260/00; F05D2260/20; F05D2260/202; F05D2260/203; Y; Y10; Y10S; Y10S60/00; Y10S60/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635819A
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US1861213A
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US2354151A
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US2487588A
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US2406926A
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US2405785A
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US2500334A
Cited
US2548485A
Cited
US2476185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |