Patent US2169696A successfully refreshed from Google Patents.
Patent US3283324A successfully refreshed from Google Patents.
US3283324A
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Means for changing the radar signature of aerial vehicles
Assignee: Hayes International Corp
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Filing: 1964-06-29
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Granted: 1966-11-01
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert I Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:06
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
MEANS TO CHANGE THE RADAR SIGNATURE OF AN AERIAL VEHICLE HAVING RADAR REFLECTIVE BODY PARTS FROM ITS NORMAL CHARACTERISTICS TO A RADAR SIGNATURE SUBSTANTIALLY IDENTICAL TO THAT OF A DESIRED AERIAL TARGET COMPRISING A PLURALITY OF LUNEBERG LENS RADAR REFLECTORS LOCATED IN POSITIONS ON SAID VEHICLE RELATIVE TO EACH OTHER AND RELATIVE TO THE RADAR REFLECTIVE PARTS OF THE VEHICLE TO AUGMENT THE RADAR SIGNATURE THEREOF WHEN VIEWED FROM CORRESPONDING ASPECTS AND TO ATTENUATE THE RADAR SIGNATURE THEREOF WHEN VIEWED FROM OTHER CORRESPONDING ASPECTS, THEREBY TO CONFIGURE THE RADAR SIGNATURE OF THE VEHICLE IN THOSE AREAS WHERE THE NORMAL RELECTIVITY THEREOF VARIES FROM SAID SUBSTANTIALLY IDENTICAL SIGNATURE, WHEREBY THE RADAR REFLECTOR EQUIPPED VEHICLE MAY BE PHYSICALLY SUBSTANTIALLY SMALLER AND OF DIFFERENT OVERALL SHAPED FROM THE DESIRED TARGET AND YET PRODUCE SAID SUBSTANTIALLY IDENTICAL RADAR SIGNATURE.
Claim 2
Dependent Claim
135 words
MEANS TO CHANGE THE RADAR SIGNATURE OF AN AERIAL VEHICLE HAVING RADAR REFLECTIVE BODY PARTS FROM ITS NORMAL CHARACTERISTICS TO A RADAR SIGNATURE SUBSTANTIALLY IDENTICAL TO THAT OF A DESIRED AERIAL TARGET COMPRISING A PLURALITY OF LUNEBERG LENS RADAR REFLECTORS LOCATED IN POSITIONS ON SAID VEHICLE RELATIVE TO EACH OTHER AND RELATIVE TO THE RADAR REFLECTIVE PARTS OF THE VEHICLE TO AUGMENT THE RADAR SIGNATURE THEREOF WHEN VIEWED FROM CORRESPONDING ASPECTS AND TO ATTENUATE THE RADAR SIGNATURE THEREOF WHEN VIEWED FROM OTHER CORRESPONDING ASPECTS, THEREBY TO CONFIGURE THE RADAR SIGNATURE OF THE VEHICLE IN THOSE AREAS WHERE THE NORMAL RELECTIVITY THEREOF VARIES FROM SAID SUBSTANTIALLY IDENTICAL SIGNATURE, WHEREBY THE RADAR REFLECTOR EQUIPPED VEHICLE MAY BE PHYSICALLY SUBSTANTIALLY SMALLER AND OF DIFFERENT OVERALL SHAPED FROM THE DESIRED TARGET AND YET PRODUCE SAID SUBSTANTIALLY IDENTICAL RADAR SIGNATURE.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |