US2561719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating device with speed adjusting mechanism for power engines
Assignee: Individual
•
Filing: 1944-12-02
•
Granted: 1951-07-24
•
Expires: 1964-12-02
Abstract
No abstract record available.
Inventors
- 👤 Wiberg Oscar Anton
- 👤 Wetterstrom Bror Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:24
CPC Classifications
G; G05; G05D; G05D13/00; F; F01; F01D; F01D21/00; F01D21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1774997A
Cited
US1826884A
Cited
US1966225A
Cited
US1931104A
Cited
US2145117A
Cited
US2367209A
Cited
US2373621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |