US3148540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft performance monitoring apparatus
Assignee: Unisys Corp
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Filing: 1961-02-27
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Granted: 1964-09-15
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Gold Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A SYSTEM FOR MONITORING THE PERFORMANCE OF AN AIRCRAFT, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE DISTANCE REQUIRED TO ACCELERATE SAID CRAFT TO TAKE-OFF SPEED FROM ITS PRESENT SPEED, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE DISTANCE TRAVERSED BEYOND THE RUNWAY THRESHOLD, SUMMATION MEANS RESPONSIVE TO SAID DISTANCE SIGNALS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE TOTAL RUNWAY DISTANCE REQUIRED, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE ACTUAL TOTAL RUNWAY DISTANCE AVAILABLE, AND INDICATING MEANS RESPONSIVE TO SAID REQUIRED TOTAL RUNWAY DISTANCE AND SAID ACTUAL TOTAL RUNWAY DISTANCE FOR PROVIDING A COMPARISON THEREBETWEEN WHEREBY THE PERFORMANCE OF THE AIRCRAFT MAY BE MONITORED.
Claim 2
Dependent Claim
106 words
IN A SYSTEM FOR MONITORING THE PERFORMANCE OF AN AIRCRAFT, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE DISTANCE REQUIRED TO ACCELERATE SAID CRAFT TO TAKE-OFF SPEED FROM ITS PRESENT SPEED, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE DISTANCE TRAVERSED BEYOND THE RUNWAY THRESHOLD, SUMMATION MEANS RESPONSIVE TO SAID DISTANCE SIGNALS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE TOTAL RUNWAY DISTANCE REQUIRED, MEANS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE ACTUAL TOTAL RUNWAY DISTANCE AVAILABLE, AND INDICATING MEANS RESPONSIVE TO SAID REQUIRED TOTAL RUNWAY DISTANCE AND SAID ACTUAL TOTAL RUNWAY DISTANCE FOR PROVIDING A COMPARISON THEREBETWEEN WHEREBY THE PERFORMANCE OF THE AIRCRAFT MAY BE MONITORED.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |