US3466655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log periodic dipole array with dual band directors
Assignee: Jfd Electronics Corp
•
Filing: 1966-01-27
•
Granted: 1969-09-09
•
Expires: 1986-01-27
Abstract
No abstract record available.
Inventors
- 👤 Paul E Mayes
- 👤 Ronald D Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:42
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2492354A
Cited
US2485138A
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US2789286A
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US2644091A
Cited
US2980912A
Cited
USRE25604E
Cited
US3371348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |