US3061696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching device
Assignee: AT&T Inc
•
Filing: 1958-10-29
•
Granted: 1962-10-30
•
Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert Lee Peek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/026; H01; H01H; H01H67/00; H01H67/22; H01H67/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187115A
Cited
US2378986A
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US2609464A
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US2797329A
Cited
US2902558A
Cited
US2821597A
Cited
US2877315A
Cited
US2844687A
Cited
FR1186645A
Cited
US2999915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |