US3299197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground-based flight training apparatus
Assignee: Communications Patents Ltd
•
Filing: 1963-01-03
•
Granted: 1967-01-17
•
Expires: 1983-01-03
Abstract
No abstract record available.
Inventors
- 👤 Cutler Albert Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:08
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/16; G09B9/20; G09B9/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
GROUND-BASED FLIGHT TRAINING APPARATUS FOR SIMULATING OPERATION OF AN AIRCRAFT AUTOMATIC LANDING SYSTEM, AND COMPRISING FLIGHT COMPUTING MEANS FOR SIMULATING FLIGHT CONDITIONS, AUTO-PILOT SIMULATING MEANS FOR SIMULATING LONGITUDINAL AND LATERAL CONTROL BY AN AIRCRAFT AUTO-PILOT, SAID AUTO-PILOT SIMULATING MEANS BEING RESPONSIVE TO A PLURALITY OF ALTERNATIVE CONTROL SIGNALS CORRESPONDING EACH TO A DIFFERENT LONGITUDINAL CONTROL MODE, CONTROL SIGNAL GENERATING MEANS FOR EACH OF THE ALTERNATIVE CONTROL SIGNALS AND SWITCH MEANS OPERATED BY ALTITUDE SIGNALS CORRESPONDING TO DIFFERENT ALTITUDES FOR SUPPLYING TO THE AUTO-PILOT SIMULATING MEANS A SELECTED ONE OF THE ALTERNATIVE CONTROL SIGNALS, SAID ALTITUDE SIGNALS BEING COMPUTED BY THE FLIGHT COMPUTING MEANS WHICH PROVIDES AN AIRCRAFT HEIGHT SIGNAL CORRESPONDING TO THE SIMULATED HEIGHT OF THE AIRCRAFT ABOVE
Claim 2
Dependent Claim
118 words
GROUND-BASED FLIGHT TRAINING APPARATUS FOR SIMULATING OPERATION OF AN AIRCRAFT AUTOMATIC LANDING SYSTEM, AND COMPRISING FLIGHT COMPUTING MEANS FOR SIMULATING FLIGHT CONDITIONS, AUTO-PILOT SIMULATING MEANS FOR SIMULATING LONGITUDINAL AND LATERAL CONTROL BY AN AIRCRAFT AUTO-PILOT, SAID AUTO-PILOT SIMULATING MEANS BEING RESPONSIVE TO A PLURALITY OF ALTERNATIVE CONTROL SIGNALS CORRESPONDING EACH TO A DIFFERENT LONGITUDINAL CONTROL MODE, CONTROL SIGNAL GENERATING MEANS FOR EACH OF THE ALTERNATIVE CONTROL SIGNALS AND SWITCH MEANS OPERATED BY ALTITUDE SIGNALS CORRESPONDING TO DIFFERENT ALTITUDES FOR SUPPLYING TO THE AUTO-PILOT SIMULATING MEANS A SELECTED ONE OF THE ALTERNATIVE CONTROL SIGNALS, SAID ALTITUDE SIGNALS BEING COMPUTED BY THE FLIGHT COMPUTING MEANS WHICH PROVIDES AN AIRCRAFT HEIGHT SIGNAL CORRESPONDING TO THE SIMULATED HEIGHT OF THE AIRCRAFT ABOVE
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Cited
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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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |