US2524776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse time modulation repeater system
Assignee: STC PLC
•
Filing: 1947-07-02
•
Granted: 1950-10-10
•
Expires: 1967-07-02
Abstract
No abstract record available.
Inventors
- 👤 Deloraine Edmond Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:40
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/14; H04B7/15; H04B7/155; H04B7/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2283415A
Cited
US1894019A
Cited
US2155821A
Cited
US2294863A
Cited
US2421017A
Cited
US2425066A
Cited
US2421727A
Cited
US2419340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |