Patent US3439335A successfully refreshed from Google Patents.
US3439335A
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Sequence detector
Assignee: AT&T Teletype Corp
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Filing: 1966-04-06
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Granted: 1969-04-15
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Ransom D Slayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:07
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/02; H; H04; H04L; H04L15/00; H04L15/24; H04L15/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3056116A
Cited
US3239810A
Cited
US3252142A
Cited
US3235718A
Cited
US3245035A
Cited
US3267428A
Cited
US3327290A
Cited
US3243775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |