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US3412380A
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US
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Two-character, single error-correcting system compatible with telegraph transmission
Assignee: Westinghouse Electric Corp
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Filing: 1964-09-04
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Granted: 1968-11-19
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Heller
- 👤 James R Bowen
- 👤 John L Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:02
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)
US2713084A
Cited
US3227999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |