US3337845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heads-up display for pilots
Assignee: Individual
•
Filing: 1965-02-26
•
Granted: 1967-08-22
•
Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:50
CPC Classifications
B; B64; B64D; B64D45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN AIRCRAFT HAVING A WINDSCREEN AND INSTRUMENTATION FOR RECEIVING LANDING INFORMATION, A DISPLAY SYSTEM FOR CONVEYING THE LANDING INFORMATION TO THE PILOT COMPRISING: A DISPLAY DEVICE COMPRISING A TRANSPARENT PANEL POSITIONED BETWEEN THE PILOT AND THE WINDSCREEN IN THE PILOT''S FIELD OF VIEW, SAID TRANSPARENT PANEL HAVING A WIDTH OF LESS THAN THE INTERPUPILLARY DISTANCE OF THE PILOT, A PLURALITY OF LIGHT SOURCES POSITIONED WITHIN SAID TRANSPARENT PANEL TO FORM DISPLAY CONFIGURATIONS OF INDICATING THE POSITION OF THE AIRCRAFT RELATIVE TO A REFERENCE APPROACH FLIGHT PATH, AND
Claim 2
Dependent Claim
88 words
IN AN AIRCRAFT HAVING A WINDSCREEN AND INSTRUMENTATION FOR RECEIVING LANDING INFORMATION, A DISPLAY SYSTEM FOR CONVEYING THE LANDING INFORMATION TO THE PILOT COMPRISING: A DISPLAY DEVICE COMPRISING A TRANSPARENT PANEL POSITIONED BETWEEN THE PILOT AND THE WINDSCREEN IN THE PILOT''S FIELD OF VIEW, SAID TRANSPARENT PANEL HAVING A WIDTH OF LESS THAN THE INTERPUPILLARY DISTANCE OF THE PILOT, A PLURALITY OF LIGHT SOURCES POSITIONED WITHIN SAID TRANSPARENT PANEL TO FORM DISPLAY CONFIGURATIONS OF INDICATING THE POSITION OF THE AIRCRAFT RELATIVE TO A REFERENCE APPROACH FLIGHT PATH, AND
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |