US2607831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload protective system for dynamoelectric machines
Assignee: General Electric Co
•
Filing: 1950-10-12
•
Granted: 1952-08-19
•
Expires: 1970-10-12
Abstract
No abstract record available.
Inventors
- 👤 Benjamin W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:15
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1658254A
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US1805492A
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US1951243A
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US2234700A
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US2252444A
Cited
US2306810A
Cited
US2463935A
Cited
US2483515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |