US3382501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elliptically or circularly polarized antenna
Assignee: Raytheon Co
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Filing: 1965-09-22
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Granted: 1968-05-07
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Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Maurice L Fee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:44
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/0241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN COMBINATION, A SECTION OF HOLLOW CONDUCTIVELY BOUNDED WAVEGUIDE HAVING AT LEAST ONE OPEN END, SAID SECTION BEING CAPABLE OF SUPPORTING PROPAGATING ELECTROMAGNETIC WAVE ENERGY HAVING AN ELECTRIC VECTOR ORIENTED IN A GIVEN PLANE OF POLARIZATION; A THIN ELONGATED CONDUCTIVE MEMBER IN THE SHAPE OF A LOOP; AND MEANS FOR CONDUCTIVELY CONNECTING EACH END OF SAID CONDUCTIVE MEMBER TO OPPOSITE SIDES OF SAID WAVEGUIDE ACROSS SAID OPEN END, AT LEAST A SUBSTANTIAL PORTION OF SAID MEMBER BEING DISPOSED IN A PLANE SUBSTANTIALLY PERPENDICULAR TO SAID GIVEN PLANE.
Claim 2
Dependent Claim
87 words
IN COMBINATION, A SECTION OF HOLLOW CONDUCTIVELY BOUNDED WAVEGUIDE HAVING AT LEAST ONE OPEN END, SAID SECTION BEING CAPABLE OF SUPPORTING PROPAGATING ELECTROMAGNETIC WAVE ENERGY HAVING AN ELECTRIC VECTOR ORIENTED IN A GIVEN PLANE OF POLARIZATION; A THIN ELONGATED CONDUCTIVE MEMBER IN THE SHAPE OF A LOOP; AND MEANS FOR CONDUCTIVELY CONNECTING EACH END OF SAID CONDUCTIVE MEMBER TO OPPOSITE SIDES OF SAID WAVEGUIDE ACROSS SAID OPEN END, AT LEAST A SUBSTANTIAL PORTION OF SAID MEMBER BEING DISPOSED IN A PLANE SUBSTANTIALLY PERPENDICULAR TO SAID GIVEN PLANE.
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |