Patent US2428403A successfully refreshed from Google Patents.
US2428403A
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Antiarcing electric motor control apparatus
Assignee: Individual
•
Filing: 1943-12-21
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Granted: 1947-10-07
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Expires: 1963-12-21
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardeny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:49
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1725256A
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US1993522A
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US2105005A
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US2028110A
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US2106756A
Cited
US2342717A
Cited
US2377633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |