Patent US2507225A successfully refreshed from Google Patents.
US2507225A
Expired / Lapsed
US
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Wide band antenna structure
Assignee: General Electric Co
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Filing: 1946-04-11
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Granted: 1950-05-09
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Expires: 1966-04-11
Abstract
No abstract record available.
Inventors
- 👤 Marvel W Scheldorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:07
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20922E
Cited
US1922115A
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US2217911A
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US2212625A
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US2254697A
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US2350916A
Cited
US2286179A
Cited
US2267550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |