US2691102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High gain vhf antenna system
Assignee: RCA Corp
•
Filing: 1950-08-14
•
Granted: 1954-10-05
•
Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 Masters Robert Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:56
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q21/20; H01Q21/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093886A
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US2272312A
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US2270314A
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US2313513A
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US2580462A
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US2471515A
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US2477647A
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US2521550A
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US2577469A
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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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |