Patent US3038303A successfully refreshed from Google Patents.
Patent US3340534A successfully refreshed from Google Patents.
US3340534A
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: 1967-09-05
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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
2026-11-02 15:33
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/29; H01Q21/0006; H01Q21/0037; H01Q21/0043; H01Q21/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A HIGH FREQUENCY ANTENNA COMPRISING, IN COMBINATION: A THIN CONDUCTIVE WAFER HAVING AN ELONGATED SLOT EXTENDING THERETHROUGH; A LOOP OF CONDUCTIVE WIRE CONDUCTIVELY CONNECTED ACROSS THE LONGER SIDES OF SAID SLOT, AT LEAST A SUBSTANTIAL PORTION OF SAID LOOP BEING DISPOSED IN A PLANE SUBSTANTIALLY PARALLEL TO THE LONGER DIMENSION OF SAID SLOT; AND MEANS FOR INDUCING AN ALTERNATING ELECTRIC CURRENT IN SAID CONDUCTIVE WAFER, SAID CURRENT HAVING COMPONENTS IN A DIRECTION PERPENDICULAR TO SAID LONGER DIMENSION OF SAID SLOT.
Claim 2
Dependent Claim
80 words
A HIGH FREQUENCY ANTENNA COMPRISING, IN COMBINATION: A THIN CONDUCTIVE WAFER HAVING AN ELONGATED SLOT EXTENDING THERETHROUGH; A LOOP OF CONDUCTIVE WIRE CONDUCTIVELY CONNECTED ACROSS THE LONGER SIDES OF SAID SLOT, AT LEAST A SUBSTANTIAL PORTION OF SAID LOOP BEING DISPOSED IN A PLANE SUBSTANTIALLY PARALLEL TO THE LONGER DIMENSION OF SAID SLOT; AND MEANS FOR INDUCING AN ALTERNATING ELECTRIC CURRENT IN SAID CONDUCTIVE WAFER, SAID CURRENT HAVING COMPONENTS IN A DIRECTION PERPENDICULAR TO SAID LONGER DIMENSION OF SAID SLOT.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |