US2996718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-band vertical antenna with concentric radiators
Assignee: BRUNSWICK SPORTS PRODUCTS Co
•
Filing: 1957-12-10
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Granted: 1961-08-15
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 William H Foley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:06
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/30; H01Q9/32; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/342; H01Q5/357; H01Q5/364; H01Q5/371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1495537A
Cited
US2112287A
Cited
GB505877A
Cited
US2250531A
Cited
US2611868A
Cited
US2763003A
Cited
US2835893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |