US3209355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual operating mode circuit
Assignee: Radiation Inc
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Filing: 1962-12-20
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Granted: 1965-09-28
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Livingston Marvin Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:26
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A DUAL MODE SIGNALLING SYSTEM COMPRISING FOUR ORTHOGONALLY ARRANGED ANTENNA ARRAYS ILLUMINATING THE SAME SPATIAL AREA, SAID ARRAYS DRIVEN IN TWO DISTINCT POLARIZATION MODES, AND MEANS FOR CONICALLY SCANNING ONE OF SAID MODES.
Claim 2
Dependent Claim
33 words
A DUAL MODE SIGNALLING SYSTEM COMPRISING FOUR ORTHOGONALLY ARRANGED ANTENNA ARRAYS ILLUMINATING THE SAME SPATIAL AREA, SAID ARRAYS DRIVEN IN TWO DISTINCT POLARIZATION MODES, AND MEANS FOR CONICALLY SCANNING ONE OF SAID MODES.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |