US3289974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manned spacecraft with staged re-entry
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1964-01-02
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Granted: 1966-12-06
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Cohen
- 👤 Julius D Schetzer
- 👤 John R Sellars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:58
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/62; B64D; B64D5/00; B64G1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A SPACECRAFT WITH STAGED RE-ENTRY COMPRISING: A. A BLUFF RE-ENTRY BODY; B. A FIXED WING AIRPLANE INCLUDING MEANS FOR SELF PROPULSION THE BODY OF WHICH IS SUBSTANTIALLY NESTED WITHIN SAID BLUFF BODY; AND C. MEANS FOR SEPARATING SAID BODY AND SAID AIRPLANE.
Claim 2
Dependent Claim
42 words
A SPACECRAFT WITH STAGED RE-ENTRY COMPRISING: A. A BLUFF RE-ENTRY BODY; B. A FIXED WING AIRPLANE INCLUDING MEANS FOR SELF PROPULSION THE BODY OF WHICH IS SUBSTANTIALLY NESTED WITHIN SAID BLUFF BODY; AND C. MEANS FOR SEPARATING SAID BODY AND SAID AIRPLANE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
US3090580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |