US3087159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave scimitared antenna
Assignee: Boeing Co
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Filing: 1960-01-08
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Granted: 1963-04-23
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
- 👤 John R Gozinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/24; H01Q9/00; H01Q9/04; H01Q9/30; H01Q9/42; H01Q9/43
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
MICROWAVE ANTENNA MEANS COMPRISING A BASE PRESENTING AN EXPOSED SUBSTANTIALLY FLAT CONDUCTIVE RADIATION SURFACE HAVING A FEED APERTURE THEREIN, ELECTRICAL TRANSMISSION LINE MEANS JOINED TO THE OPPOSITE SIDE OF SAID BASE AND HAVING A FEED CONDUCTOR ONE END OF WHICH PROJECTS AT A GENERALLY CENTRAL LOCATION THROUGH SAID APERTURE IN A DIRECTION SUBSTANTIALLY PERPENDICULAR TO SAID SURFACE, AND A CLUSTER OF TAPERED CONDUCTIVE STRIPS OF SCIMITARED FORM TOTALLING FOUR IN NUMBER HAVING THEIR NARROW ENDS COMMONLY JOINED TO THE PROJECTING END OF THE FEED CONDUCTOR AND THEIR BROAD ENDS JOINED TO SAID BASE SURFACE AROUND SAID APERTURE IN QUADRATURE RELATIONSHIP RELATED TO SAID CONDUCTOR AS A COMMON CENTER, AND WITH THE INDIVIDUAL SCIMITARED ELEMENTS BEING ARCHED OUTWARDLY BETWEEN THEIR
References Cited (Backward Citations)
US3015101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |