US3222601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna beam scanner
Assignee: Lockheed Martin Corp
•
Filing: 1962-07-10
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Granted: 1965-12-07
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Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 David R Sartorio
- 👤 Edward R Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:02
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SYSTEM FOR SELECTIVELY ALTERING THE BEAM PATTERN OF A BEAM OF RADIO FREQUENCY ENERGY EMANATING FROM THE APERTURE OF A HORN ANTENNA COMPRISING: A SHEET OF PHOTOCONDUCTIVE MATERIAL POSITIONED OVER AT LEAST A PORTION OF SAID APERTURE; A BODY OF LIGHT CONDUCTING MATERIAL POSITIONED IN SAID ANTENNA AND TERMINATING AT SAID APERTURE; SAID SHEET OF PHOTOCONDUCTIVE MATERIAL BEING LOCATED CONTIGUOUS TO SAID LIGHT CONDUCTING MATERIAL SO THAT LIGHT CONDUCTED THROUGH SAID LIGHT CONDUCTING MATERIAL ILLUMINATES SAID SHEET OF PHOTOCONDUCTIVE MATERIAL; A SOURCE OF VISIBLE LIGHT; MEANS FOR INTRODUCING LIGHT FROM SAID SOURCE INTO SAID
Claim 2
Independent Claim
95 words
A SYSTEM FOR SELECTIVELY ALTERING THE BEAM PATTERN OF A BEAM OF RADIO FREQUENCY ENERGY EMANATING FROM THE APERTURE OF A HORN ANTENNA COMPRISING: A SHEET OF PHOTOCONDUCTIVE MATERIAL POSITIONED OVER AT LEAST A PORTION OF SAID APERTURE; A BODY OF LIGHT CONDUCTING MATERIAL POSITIONED IN SAID ANTENNA AND TERMINATING AT SAID APERTURE; SAID SHEET OF PHOTOCONDUCTIVE MATERIAL BEING LOCATED CONTIGUOUS TO SAID LIGHT CONDUCTING MATERIAL SO THAT LIGHT CONDUCTED THROUGH SAID LIGHT CONDUCTING MATERIAL ILLUMINATES SAID SHEET OF PHOTOCONDUCTIVE MATERIAL; A SOURCE OF VISIBLE LIGHT; MEANS FOR INTRODUCING LIGHT FROM SAID SOURCE INTO SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |