US2433369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system and method of using same
Assignee: STC PLC
•
Filing: 1942-07-24
•
Granted: 1947-12-30
•
Expires: 1962-07-24
Abstract
No abstract record available.
Inventors
- 👤 Armig G Kandoian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:12
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1647283A
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US1973673A
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US1944563A
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US2076222A
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GB455765A
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US2176469A
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FR813404A
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US2157159A
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US2231929A
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US2213859A
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US2208422A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |