US3492641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error correcting digital communication system
Assignee: CBHBC Corp LLC
•
Filing: 1967-01-11
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Granted: 1970-01-27
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Expires: 1987-01-11
Abstract
No abstract record available.
Inventors
- 👤 Samuel T Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:51
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057; G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2728906A
Cited
US2596199A
Cited
US3098219A
Cited
US3130397A
Cited
US3152320A
Cited
US3355723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |