US2645770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time division multiplex radio system
Assignee: Individual
•
Filing: 1949-02-15
•
Granted: 1953-07-14
•
Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Veaux Henri Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:09
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1671143A
Cited
US1671151A
Cited
GB259328A
Cited
US1735037A
Cited
US2186742A
Cited
US2172354A
Cited
US2273163A
Cited
US2401464A
Cited
US2414265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |