US2959704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overvoltage protective device
Assignee: General Electric Co
•
Filing: 1958-10-09
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Granted: 1960-11-08
•
Expires: 1978-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jr James H Snell
- 👤 Francis J Charewicz
- 👤 John R Lucek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290526A
Cited
US2661439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |