US2609074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle and speed controls for motors
Assignee: Individual
•
Filing: 1948-06-19
•
Granted: 1952-09-02
•
Expires: 1968-06-19
Abstract
No abstract record available.
Inventors
- 👤 George T Leihgeber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:58
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0264
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1620764A
Cited
US1897358A
Cited
US2116556A
Cited
US2216138A
Cited
US2230742A
Cited
US2100225A
Cited
US2204265A
Cited
US2302085A
Cited
US2362655A
Cited
US2443084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |