Patent US2512481A successfully refreshed from Google Patents.
US2512481A
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US
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Antenna input circuits
Assignee: Avco Manufacturing Corp
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Filing: 1948-07-08
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Granted: 1950-06-20
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Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Jeffrey S Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H2/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR639225A
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US2268664A
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US2115655A
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US2062956A
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US2092709A
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US2143159A
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US2131976A
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US2295408A
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US2295383A
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US2441028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |