Patent US3339203A successfully refreshed from Google Patents.
US3339203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windscreen type display apparatus
Assignee: Unisys Corp
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Filing: 1965-02-01
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Granted: 1967-08-29
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert S Curry
- 👤 Edwin F Potter
- 👤 Jr Ralph R Rover
- 👤 Reuben P Snodgrass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/01; G01; G01C; G01C23/00; G01S; G01S1/00; G01S1/02; G02B27/0101; G02B2027/014; G02B2027/0141
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
WINDSCREEN DISPLAY APPARATUS FOR USE IN COOPERATION WITH THE INSTRUMENT LANDING SYSTEM COMPRISING A CATHODE RAYTUBE ADAPTED TO HAVE A RUNWAY IMAGE INSCRIBED ON ITS FACE, MEANS FOR VERTICALLY POSITIONING THE RUNWAY IMAGE ON THE TUBE FACE IN PROPORTION TO THE CRAFT PITCH ATTITUDE AND THE CRAFT DEPARTURE FROM THE INSTRUMENT LANDING SYSTEM DEFINED GLID SLOPE, MEANS FOR LATERALLY POSITIONING THE RUNWAY IMAGE ON THE TUBE FACE IN PROPORTION TO CRAFT HEADING WITH RESPECT TO THE REAL WORLD RUNWAY HEADING AND CRAFT DEPARTURE FROM THE INSTRUMENT LANDING SYSTEM DEFINED LOCALIZER COURSE, MEANS FOR USE IN PIVOTING THE AXIS OF SAID CATHODE RAY TUBE ABOUT AN AXIS PARALLEL TO THE CRAFT PITCH AXIS AND PRODUCTING A SIGNAL REPRESENTATIVE OF SUCH PIVOTING TAKEN WITH RESPECT TO AN AXIS PARALLEL TO THE CRAFT LONGITUDINAL AXIS, AND MEANS FOR ALGEBRAICALLY ALTERING THE VERTICAL POSITIONING OF SAID RUNWAY IMAGE IN PROPORTION TO SAID SIGNAL.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |