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US3440658A
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US
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Dual band coplanar dipole array with disc type director
Assignee: RICHARD D BOGNER
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Filing: 1967-04-17
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Granted: 1969-04-22
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Richard D Bogner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:59
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/28; H01Q19/30; H01Q13/00; H01Q13/20; H01Q13/28; H01Q5/00; H01Q5/40; H01Q5/48; H01Q5/49
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |