US2253757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propeller actuated machine
Assignee: Individual
•
Filing: 1939-05-16
•
Granted: 1941-08-26
•
Expires: 1959-05-16
Abstract
No abstract record available.
Inventors
- 👤 Bugatti Ettore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/02; B63H23/10; B63H23/12; B63H21/00; B63H21/21; B63H21/213; B63H5/00; B63H5/07; B63H5/08; F; F16; F16H; F16H1/00; F16H1/02; F16H1/20; F16H1/22; F16H48/00; F16H48/06; F16H48/08; Y; Y10; Y10S; Y10S60/00; Y10S60/911
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) | 1944-08-25 | 1945-02-24 | 1945-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-25 | 1949-02-24 | 1949-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-25 | 1953-02-24 | 1953-08-26 | $7700.00 | Window Closed / Lapsed |