Patent US2805415A successfully refreshed from Google Patents.
US2805415A
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US
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Microwave antenna system
Assignee: Unisys Corp
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Filing: 1952-08-02
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Granted: 1957-09-03
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Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 Berkowitz Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:25
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/04; H01Q13/00; H01Q13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2461005A
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US2540839A
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US2514678A
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US2415242A
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US2482162A
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US2438987A
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US2438735A
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US2556094A
Cited
US2627020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |