US3366737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Message switching center for asynchronous start-stop telegraph channels
Assignee: TDK Micronas GmbH
•
Filing: 1963-11-21
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Granted: 1968-01-30
•
Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas G Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:32
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/50; H04L12/52; H04L12/525; G; G06; G06F; G06F13/00; G06F13/14; G06F13/20; G06F13/22; H04L12/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229259A
Cited
US3300763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |