US3145529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory composite rocket nozzle and method of making same
Assignee: Avco Corp
•
Filing: 1960-03-10
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Granted: 1964-08-25
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Expires: 1980-03-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Maloof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:33
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12174
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A ROCKET NOZZLE COMPRISING: A DIMENSIONALLY SHAPED PERIPHERAL WALL FORMED FROM A REFRACTORY COMPOSITE MATERIAL COMPRISING PRESSED AND SINTERED POROUS TUNSTEN WHICH HAS BEEN IMPREGNATED WITH COPPER IN THE PROPORTION OF 70-90% TUNGSTEN AND 30-10% COPPER BY WEIGHT, RESPECTIVELY.
References Cited (Backward Citations)
GB148533A
Cited
US2131994A
Cited
US2354151A
Cited
US2581252A
Cited
US2614947A
Cited
GB691953A
Cited
GB751649A
Cited
FR1108090A
Cited
US2851381A
Cited
US2946680A
Cited
US2849860A
Cited
US3026806A
Cited
US3014353A
Cited
US3022190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |