US3196351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permutation code signaling
Assignee: AT&T Inc
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Filing: 1962-06-26
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Granted: 1965-07-20
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Expires: 1982-06-26
Abstract
No abstract record available.
Inventors
- 👤 Slepian David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
APPARATUS FOR PROCESSING RECEIVED CODE SIGNALS HAVING PROVISIONAL AMPLITUDE LEVELS THAT MAY DEPART FROM NOMINAL BECAUSE OF DISTRUBANCES, WHICH COMPRISES MEANS FOR EXTRACTING PROVISIONAL COEFFICIENT SIGNALS FROM THE RECEIVED SIGNALS, MEANS FOR IDENTIFYING SAID COEFFICIECT SIGNALS IN ORDER OF THEIR PROVISIONAL AMPLITUDE LEVELS,
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |