Patent EP0048402A1 successfully refreshed from Google Patents.
US3037085A
Expired / Lapsed
US
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Electrically controlled switching device
Assignee: AT&T Inc
•
Filing: 1959-10-22
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Granted: 1962-05-29
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Terrell N Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
H; H01; H01H; H01H67/00; H01H67/22; H01H67/30; H01H51/00; H01H51/28; H01H51/284; H01H51/285; H04; H04Q; H04Q3/00; H04Q3/0008; H04Q3/0012; Y; Y10; Y10S; Y10S65/00; Y10S65/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |