Patent US2767397A successfully refreshed from Google Patents.
US2767397A
Expired / Lapsed
US
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Antenna
Assignee: Motorola Solutions Inc
•
Filing: 1951-03-31
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Granted: 1956-10-16
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Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 John F Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:47
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1957949A
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US2122893A
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US2113136A
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US2234234A
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US2199375A
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US2201857A
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US2321454A
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US2605412A
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US2486597A
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US2509253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |