Patent US2650541A successfully refreshed from Google Patents.
US2650541A
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US
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Assignee: Individual
•
Filing: 1949-05-27
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Granted: 1953-09-01
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Expires: 1969-05-27
Abstract
No abstract record available.
Inventors
- 👤 Rosselet Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:43
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/20; F42C15/22; F42C15/24; F42C15/26; F42C9/00; F42C9/14; F42C9/16; F42C9/18
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) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |