US2581166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor reversing means
Assignee: Lionel Corp
•
Filing: 1949-10-15
•
Granted: 1952-01-01
•
Expires: 1969-10-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bonanno
- 👤 Richard E Beger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:30
CPC Classifications
H; H02; H02P; H02P25/00; H02P25/02; H02P25/10; H02P25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1622815A
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US1586221A
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US1800331A
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US1947078A
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US1961276A
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US2013947A
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US2152704A
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US2484358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |