US3460090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for error correction in a data transmission system
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1965-10-13
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Granted: 1969-08-05
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Elof Erik Eriksson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:57
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/42; G; G11; G11B; G11B20/00; G11B20/10; G11B20/18; H03; H03M; H03M13/00; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04L1/18; H04L1/1809
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2703361A
Cited
US2706215A
Cited
US3001018A
Cited
US3263215A
Cited
GB1014180A
Cited
GB983613A
Cited
US3340504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |