Patent US3049876A successfully refreshed from Google Patents.
US3049876A
Expired / Lapsed
US
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Annular rocket motor and nozzle configuration
Assignee: Individual
•
Filing: 1960-03-30
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Granted: 1962-08-21
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Expires: 1980-03-30
Abstract
No abstract record available.
Inventors
- 👤 James F Connors
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:24
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/90; F02K9/42; F02K9/60; F02K9/62
Claims Analysis
Total Claims: 0
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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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |