US3383694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable directional antenna attachment for use with a vertical antenna rod
Assignee: CARLL F STROHMEYER JR
•
Filing: 1965-02-15
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Granted: 1968-05-14
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Carll F Strohmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/28; H01Q19/30; H01Q3/00; H01Q3/02; H01Q3/04; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32467; Y10T403/32475; Y10T403/32501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218707A
Cited
US2243523A
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US2248335A
Cited
US2473421A
Cited
US2497687A
Cited
US2753557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |