US2611013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic trip device
Assignee: Westinghouse Electric Corp
•
Filing: 1945-11-19
•
Granted: 1952-09-16
•
Expires: 1965-11-19
Abstract
No abstract record available.
Inventors
- 👤 Lindstrom Ture
- 👤 Sandin Jerome
- 👤 Herbert L Rawlins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2486613A
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US2519291A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |