Patent US3363660A successfully refreshed from Google Patents.
Patent US1829443A successfully refreshed from Google Patents.
US1829443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller
Assignee: Individual
•
Filing: 1928-06-29
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Granted: 1931-10-27
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Expires: 1948-06-29
Abstract
No abstract record available.
Inventors
- 👤 Gobereau Robert Richard
- 👤 Maujole Lucien Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/30; B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/346; F16C27/00; F16C27/08; F16C2326/00; F16C2326/43
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) | 1934-10-26 | 1935-04-27 | 1935-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-26 | 1939-04-27 | 1939-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-26 | 1943-04-27 | 1943-10-27 | $7700.00 | Window Closed / Lapsed |