US3015707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relay
Assignee: AT&T Inc
•
Filing: 1957-11-19
•
Granted: 1962-01-02
•
Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 George E Perreault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:58
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/284
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953929A
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US2289830A
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US2187115A
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US2378986A
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US2397123A
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US2759062A
Cited
US2877315A
Cited
US2877316A
Cited
US2916584A
Cited
US2907846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |