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US2677055A
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US
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Multiple-lobe antenna assembly
Assignee: Individual
•
Filing: 1949-10-06
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Granted: 1954-04-27
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Expires: 1969-10-06
Abstract
No abstract record available.
Inventors
- 👤 Philip J Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:26
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/20; H01Q13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2398095A
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US2460401A
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US2415807A
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US2480829A
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US2425336A
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US2487759A
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US2437281A
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US2458885A
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US2530079A
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US2473446A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |