Patent US2024838A successfully refreshed from Google Patents.
US2024838A
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US
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Electrical control system
Assignee: Cutler Hammer Inc
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Filing: 1934-01-15
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Granted: 1935-12-17
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Expires: 1954-01-15
Abstract
No abstract record available.
Inventors
- 👤 Stansbury Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/34
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) | 1938-12-16 | 1939-06-17 | 1939-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-16 | 1943-06-17 | 1943-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-16 | 1947-06-17 | 1947-12-17 | $7700.00 | Window Closed / Lapsed |