US3138101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target practice systems
Assignee: ML Aviation Ltd
•
Filing: 1961-05-22
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Granted: 1964-06-23
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Lobelle Marcel Jules Odilon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:43
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN AIRCRAFT TARGET PRACTICE SYSTEM COMPRISING IN COMBINATION; A TARGET; A RADIO-TRANSMITTING APPARATUS CARRIED BY SAID TARGET AND INCLUDING ANTENNA MEANS FOR RADIATING SIGNALS FROM SAID TARGET IN ONLY A SUBSTANTIALLY FLAT BEAM ENCIRCLING SAID TARGET IN A PLANE WHICH IS TRANSVERSE TO THE MAJOR AXIS OF SAID TARGET, SAID ANTENNA MEANS INCLUDING A PAIR OF SUBSTANTIALLY CONICAL REFLECTORS FACING IN THE SAME DIRECTION WITH THE TIP OF ONE CONE SPACED SLIGHTLY FROM THE OPEN END OF THE OTHER CONE AND A MEMBER EXTENDING AXIALLY THROUGH SAID PAIR OF CONICAL REFLECTORS; A MISSILE; RADIO RECEIVING MEANS CARRIED BY SAID MISSILE; AND VISUAL SIGNALLING MEANS CARRIED BY SAID MISSILE, SAID SIGNALLING MEANS BEING OPERATIVE IN RESPONSE TO THE RECEIPT OF SIGNALS BY SAID RECEIVING MEANS FROM SAID RADIO-TRANSMITTING APPARATUS.
Claim 2
Dependent Claim
128 words
AN AIRCRAFT TARGET PRACTICE SYSTEM COMPRISING IN COMBINATION; A TARGET; A RADIO-TRANSMITTING APPARATUS CARRIED BY SAID TARGET AND INCLUDING ANTENNA MEANS FOR RADIATING SIGNALS FROM SAID TARGET IN ONLY A SUBSTANTIALLY FLAT BEAM ENCIRCLING SAID TARGET IN A PLANE WHICH IS TRANSVERSE TO THE MAJOR AXIS OF SAID TARGET, SAID ANTENNA MEANS INCLUDING A PAIR OF SUBSTANTIALLY CONICAL REFLECTORS FACING IN THE SAME DIRECTION WITH THE TIP OF ONE CONE SPACED SLIGHTLY FROM THE OPEN END OF THE OTHER CONE AND A MEMBER EXTENDING AXIALLY THROUGH SAID PAIR OF CONICAL REFLECTORS; A MISSILE; RADIO RECEIVING MEANS CARRIED BY SAID MISSILE; AND VISUAL SIGNALLING MEANS CARRIED BY SAID MISSILE, SAID SIGNALLING MEANS BEING OPERATIVE IN RESPONSE TO THE RECEIPT OF SIGNALS BY SAID RECEIVING MEANS FROM SAID RADIO-TRANSMITTING APPARATUS.
References Cited (Backward Citations)
US39636A
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US1610704A
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US2175252A
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GB573621A
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US2925965A
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US2992422A
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |