US3001010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Station control circuit for multistation line
Assignee: AT&T Inc
•
Filing: 1958-09-11
•
Granted: 1961-09-19
•
Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 John P Mahony
- 👤 Jr Bernard Ostendorf
- 👤 Parker George
- 👤 Richard A Vanderlippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:24
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/28; H04L12/40; H04L12/40006; H04L12/40013; H04L12/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2649502A
Cited
US2766318A
Cited
US2667533A
Cited
US2614169A
Cited
US2805283A
Cited
US2862047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |