US3358083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-division multiplex digital transmission arrangement employing a linear digital filter
Assignee: AT&T Inc
•
Filing: 1964-07-28
•
Granted: 1967-12-12
•
Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Harry A Helm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:05
CPC Classifications
H; H04; H04J; H04J13/00; H04J13/10; H04L; H04L5/00; H04L5/22; H04L9/00; H04L9/06; H04L2209/00; H04L2209/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN COMBINATION, A CIRCUIT TERMINAL, ENCODING MEANS CONNECTED TO SAID TERMINAL FOR SELECTIVELY SUPPLYING THERETO ONE OF A PLURALITY OF DIGITAL WORDS CORRESPONDING TO THE COLUMNS OF A MATRIX (P), REGISTERING MEANS CONNECTED TO SAID TERMINAL FOR REGISTERING SAID SELECTIVELY SUPPLIED WORD, AND LINEAR SEQUENTIAL FILTERING MEANS CONNECTED TO
Claim 2
Dependent Claim
49 words
IN COMBINATION, A CIRCUIT TERMINAL, ENCODING MEANS CONNECTED TO SAID TERMINAL FOR SELECTIVELY SUPPLYING THERETO ONE OF A PLURALITY OF DIGITAL WORDS CORRESPONDING TO THE COLUMNS OF A MATRIX (P), REGISTERING MEANS CONNECTED TO SAID TERMINAL FOR REGISTERING SAID SELECTIVELY SUPPLIED WORD, AND LINEAR SEQUENTIAL FILTERING MEANS CONNECTED TO
References Cited (Backward Citations)
US3259693A
Cited
US3259695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |