US3461245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for time division multiplexed signals from asynchronous pulse sources by inserting control pulses
Assignee: AT&T Inc
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Filing: 1965-11-09
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Granted: 1969-08-12
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Expires: 1985-11-09
Abstract
No abstract record available.
Inventors
- 👤 Virgil I Johannes
- 👤 Richard H Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:46
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/0602; H03; H03L; H03L7/00; H04B; H04B14/00; H04B14/02; H04J3/07; H04J3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |