Patent US2989987A successfully refreshed from Google Patents.
Patent US3553732A successfully refreshed from Google Patents.
US3553732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable parabolic reflector for microwave energy
Assignee: Diamond Antenna and Microwave Corp
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Filing: 1968-05-29
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Granted: 1971-01-05
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Expires: 1988-05-29
Abstract
Abstract A PORTABLE PARABOLIC MICROWAVE REFLECTOR GENERALLY IN THE FORM OF A CROSS COMPRISES A SERIES OF MALE AND FEMALE ALUMINUM CASTINGS JOINED TOGETHER BY MEANS INCLUDING AN ALIGNMENT PIN AND SPRING-LOADED BALLS. ASSEMBLED REFLECTOR SECTIONS ARE SUPPORTED BY WELDED, TUBULAR A-FRAMES THAT BECOME ATTACHED TO THE REFLECTOR BY MEANS OF A SERIES OF MALE AND FEMALE ALUMINUM CASTINGS IN CONJUNCTION WITH AN ALIGNMENT PIN, LOCKED IN PLACE BY SPRING-LOADED BALLS. THE A-FRAMES ATTACHED TO WHATEVER SUPPORT STRUCTURE IS REQUIRED TO SUPPORT THE ANTENNA.
Inventors
- 👤 James J Glynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:43
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/16; H01Q15/161; H01Q15/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |