US3249942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System and device to facilitate navigation based on continuous radio location for aircraft
Assignee: Individual
•
Filing: 1962-06-27
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Granted: 1966-05-03
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Fernandez Manuel Castro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:53
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A SYSTEM AND DEVICE TO FACILITATE NAVIGATION BASED ON CONTINUOUS RADIO LOCATION FOR AIRCRAFT AND INVOLVING LIGHT-BEAM PROJECTION ONTO A SCREEN TYPE MAP FORMING PART OF AN INDICATOR AND REPRESENTING THE OVERFLOWN ZONE, EACH OF SAID LIGHT BEAMS REPRESENTING A GEOGRAPHIC LOCATION LINE EXTENDING FROM A GROUND RADIO STATION LOCATION SHOWN ON THE MAP AND IN A DIRECTION TO INCLUDE THE POSITION OF THE CRAFT, THE COMBINATION OF AN INDICATOR HOUSING AND A SCREEN MAP FORMING PART OF THE UPPER WALL THEREOF FOR RECEIVING GEOGRAPHIC LOCATION LINES AS LIGHT-BEAMS AND EXTENDING FROM THE GROUND RADIO STATION LOCATION SHOWN ON THE MAP IN A DIRECTION TO INCLUDE THE POSITION OF THE CRAFT, THE SAID INDICATOR HOUSING HAVING AN UPPER SIDE, AND A LINE MARKING DISPOSED ALONG THE VERTICAL CENTER OF THE SCREEN AS A SELECTIVE DIRECTION TO INDICATE THE ROUTE WHICH THE CRAFT IS TO FOLLOW.
Claim 2
Dependent Claim
146 words
IN A SYSTEM AND DEVICE TO FACILITATE NAVIGATION BASED ON CONTINUOUS RADIO LOCATION FOR AIRCRAFT AND INVOLVING LIGHT-BEAM PROJECTION ONTO A SCREEN TYPE MAP FORMING PART OF AN INDICATOR AND REPRESENTING THE OVERFLOWN ZONE, EACH OF SAID LIGHT BEAMS REPRESENTING A GEOGRAPHIC LOCATION LINE EXTENDING FROM A GROUND RADIO STATION LOCATION SHOWN ON THE MAP AND IN A DIRECTION TO INCLUDE THE POSITION OF THE CRAFT, THE COMBINATION OF AN INDICATOR HOUSING AND A SCREEN MAP FORMING PART OF THE UPPER WALL THEREOF FOR RECEIVING GEOGRAPHIC LOCATION LINES AS LIGHT-BEAMS AND EXTENDING FROM THE GROUND RADIO STATION LOCATION SHOWN ON THE MAP IN A DIRECTION TO INCLUDE THE POSITION OF THE CRAFT, THE SAID INDICATOR HOUSING HAVING AN UPPER SIDE, AND A LINE MARKING DISPOSED ALONG THE VERTICAL CENTER OF THE SCREEN AS A SELECTIVE DIRECTION TO INDICATE THE ROUTE WHICH THE CRAFT IS TO FOLLOW.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |