US2996212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self supporting space vehicle
Assignee: Individual
•
Filing: 1959-08-20
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Granted: 1961-08-15
•
Expires: 1979-08-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William John O'sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/081; H01Q1/082; B; B64; B64B; B64B1/00; B64B1/58; B64G; B64G99/00; Y; Y10; Y10S; Y10S273/00; Y10S273/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2163531A
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US2151336A
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US2503190A
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US2503191A
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US2730626A
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US2673826A
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US2880446A
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US2765251A
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US2888675A
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US2809130A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |