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Patent US3524191A successfully refreshed from Google Patents.
US3524191A
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Endfire antenna array in which the elements of array are bent and have portions running along length of array
Assignee: HERMANN W EHRENSPECK
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Filing: 1968-04-12
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Granted: 1970-08-11
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Expires: 1988-04-12
Abstract
No abstract record available.
Inventors
- 👤 Hermann W Ehrenspeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:06
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q19/00; H01Q19/28; H01Q19/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3089141A
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US3011168A
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US3106714A
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US3148370A
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US3389396A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |