US2772413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite dipole multi-channel television antenna
Assignee: TRIO Manufacturing Co
•
Filing: 1956-03-30
•
Granted: 1956-11-27
•
Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 John F Guernsey
- 👤 Arthur E Vail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:59
CPC Classifications
H; H01; H01Q; H01Q5/00; H01Q5/40; H01Q5/48; H01Q5/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2115788A
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US2380333A
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US2604595A
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US2492529A
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US2677764A
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USRE23960E
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US2655600A
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US2705283A
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US2691730A
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US2700105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |