US1653946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric step-by-step motor
Assignee: Vickers Ltd
•
Filing: 1924-06-13
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Granted: 1927-12-27
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Expires: 1944-06-13
Abstract
No abstract record available.
Inventors
- 👤 Hugh Clausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:14
CPC Classifications
H; H02; H02K; H02K37/00; G; G05; G05D; G05D3/00; G05D3/10; G08; G08C; G08C19/00; G08C19/38; G08C19/40; G08C19/42; H02P; H02P8/00
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) | 1930-12-26 | 1931-06-27 | 1931-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-26 | 1935-06-27 | 1935-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-26 | 1939-06-27 | 1939-12-27 | $7700.00 | Window Closed / Lapsed |