US3064080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission system-selection by permutation of parity checks
Assignee: AT&T Inc
•
Filing: 1959-02-19
•
Granted: 1962-11-13
•
Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Wilton T Rea
- 👤 Allen W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:26
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2674727A
Cited
US2719959A
Cited
US2952734A
Cited
US2884487A
Cited
US2906997A
Cited
US2954432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |