Patent US2406560A successfully refreshed from Google Patents.
US2406560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor
Assignee: Individual
•
Filing: 1943-12-30
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Granted: 1946-08-27
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Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 Winslow B Pope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:40
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/10; F02K9/14; F02K9/74; F02K9/76; F02K9/763; F42; F42B; F42B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-26 | 1950-02-25 | 1950-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-26 | 1954-02-25 | 1954-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-26 | 1958-02-25 | 1958-08-27 | $7700.00 | Window Closed / Lapsed |