Patent US2795783A successfully refreshed from Google Patents.
US2795783A
Expired / Lapsed
US
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Microwave lens antenna
Assignee: Individual
•
Filing: 1953-08-19
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Granted: 1957-06-11
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Expires: 1973-08-19
Abstract
No abstract record available.
Inventors
- 👤 Allen S Dunbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:19
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |