Patent US2499137A successfully refreshed from Google Patents.
US2499137A
Expired / Lapsed
US
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Concealed antenna support
Assignee: Gabriel Co
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Filing: 1947-05-13
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Granted: 1950-02-28
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Expires: 1967-05-13
Abstract
No abstract record available.
Inventors
- 👤 Milton R Friedberg
- 👤 Jr Lewis H Finneburgh
- 👤 Theodore R Finke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:28
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1207; H01Q1/1214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2365886A
Cited
US2239614A
Cited
US2300847A
Cited
US2252671A
Cited
US2343944A
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US2454897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |