Patent US2695387A successfully refreshed from Google Patents.
US2695387A
Expired / Lapsed
US
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Inductance
Assignee: EASTERN ELECTRIC Inc
•
Filing: 1950-11-08
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Granted: 1954-11-23
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Expires: 1970-11-08
Abstract
No abstract record available.
Inventors
- 👤 Nelson O Clark
- 👤 George R Wightman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:29
CPC Classifications
H; H01; H01F; H01F37/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US357337A
Cited
US1123107A
Cited
GB171867A
Cited
US1627765A
Cited
GB582960A
Cited
US2513965A
Cited
US2459023A
Cited
US2595562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |