Patent EP0697670A1 successfully refreshed from Google Patents.
US2978628A
Expired / Lapsed
US
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Constant d.-c. voltage output circuit
Assignee: ITE Circuit Breaker Co
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Filing: 1955-07-27
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Granted: 1961-04-04
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Expires: 1975-07-27
Abstract
No abstract record available.
Inventors
- 👤 Diebold Edward John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960599A
Cited
US2084870A
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GB470351A
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US2341446A
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US2442960A
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US2725515A
Cited
US2908864A
Cited
US2739282A
Cited
US2763827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |