Patent US3226058A successfully refreshed from Google Patents.
US3226058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double map navigational control system for aircraft
Assignee: Individual
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Filing: 1951-06-30
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Granted: 1965-12-28
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Expires: 1971-06-30
Abstract
No abstract record available.
Inventors
- 👤 Carl A Meneley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:05
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
AUTOMATIC TERRAIN RECOGNITION AND NAVIGATION APPARATUS FOR AN AIRCRAFT BODY OR THE LIKE INCLUDING MEANS FOR PRODUCING SUBSTANTIALLY CONTINUOUSLY A PAIR OF IMAGES OF THE TERRAIN OVER WHICH THE BODY IS PASSING, A PREVIOUSLY PREPARED NEGATIVE MAP TRANSPARENCY OF THE TERRAIN, A PREVIOUSLY PREPARED POSITIVE MAP TRANSPARENCY OF THE TERRAIN AND SEPARATELY POSITIONED FROM THE NEGATIVE MAP TRANSPARENCY, MEANS FOR SUPERIMPOSING ONE IMAGE OVER THE NEGATIVE MAP TRANSPARENCY AND ONE IMAGE OVER THE POSITIVE MAP TRANSPARENCY, THE IMAGE AND THE TRANSPARENCY AS SUPERIMPOSED HAVING SUBSTANTIALLY THE SAME SCALE AND ORIENTATION, MEANS FOR EFFECTING A SCANNING MOVEMENT BETWEEN EACH TRANSPARENCY AND ITS IMAGE, MEANS RESPONSIVE TO SUBSTANTIALLY A MATCH BETWEEN EACH TRANSPARENCY AND ITS IMAGE, AND MEANS FOR EFFECTING RELATIVE REPOSITIONING MOVEMENT BETWEEN EACH TRANSPARENCY AND ITS IMAGE.
Claim 2
Dependent Claim
127 words
AUTOMATIC TERRAIN RECOGNITION AND NAVIGATION APPARATUS FOR AN AIRCRAFT BODY OR THE LIKE INCLUDING MEANS FOR PRODUCING SUBSTANTIALLY CONTINUOUSLY A PAIR OF IMAGES OF THE TERRAIN OVER WHICH THE BODY IS PASSING, A PREVIOUSLY PREPARED NEGATIVE MAP TRANSPARENCY OF THE TERRAIN, A PREVIOUSLY PREPARED POSITIVE MAP TRANSPARENCY OF THE TERRAIN AND SEPARATELY POSITIONED FROM THE NEGATIVE MAP TRANSPARENCY, MEANS FOR SUPERIMPOSING ONE IMAGE OVER THE NEGATIVE MAP TRANSPARENCY AND ONE IMAGE OVER THE POSITIVE MAP TRANSPARENCY, THE IMAGE AND THE TRANSPARENCY AS SUPERIMPOSED HAVING SUBSTANTIALLY THE SAME SCALE AND ORIENTATION, MEANS FOR EFFECTING A SCANNING MOVEMENT BETWEEN EACH TRANSPARENCY AND ITS IMAGE, MEANS RESPONSIVE TO SUBSTANTIALLY A MATCH BETWEEN EACH TRANSPARENCY AND ITS IMAGE, AND MEANS FOR EFFECTING RELATIVE REPOSITIONING MOVEMENT BETWEEN EACH TRANSPARENCY AND ITS IMAGE.
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |