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US2483445A
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US
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Transmitter system
Assignee: STC PLC
•
Filing: 1946-12-13
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Granted: 1949-10-04
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Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Talley David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/18; H04W88/185; H04W88/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1661962A
Cited
US1906299A
Cited
US2236822A
Cited
US2225680A
Cited
US2206538A
Cited
US2236985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |