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US2641756A
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Antenna system
Assignee: STC PLC
•
Filing: 1943-03-26
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Granted: 1953-06-09
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Expires: 1963-03-26
Abstract
No abstract record available.
Inventors
- 👤 Sven H M Dodington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:00
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/24; H01Q25/00; H01Q25/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930505A
Cited
US2093432A
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US2169358A
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US2189855A
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US2267889A
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US2234333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |