US2658408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control means for change-speed gearing
Assignee: M & W Patents Ltd
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Filing: 1951-05-31
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Granted: 1953-11-10
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Expires: 1971-05-31
Abstract
No abstract record available.
Inventors
- 👤 Miller Albert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/10; B; B60; B60W; B60W10/00; B60W10/04; B60W10/10; B60W10/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |