Patent US3200642A successfully refreshed from Google Patents.
US3200642A
Expired / Lapsed
US
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Maximum performance take-off director
Assignee: Individual
•
Filing: 1962-06-25
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Granted: 1965-08-17
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Charles A Neuendorf
- 👤 Jr William G Moretti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:33
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0661
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR DIRECTING THE TAKE-OFF OF AN AIRCRAFT IN TWO SUCCESSIVE PHASESD, SAID APPARATUS COMPRISING: MEANS OPERATIVE DURING THE FIRST OF SAID PHASES FOR COM-/ PARING THE INSTANEOUS ANGLE OF ATTACK OF SAID AIRCRAFT WITH A PREDETERMINED LIFT-OFF ANGLE OF ATTACK AND FOR INDI CATING THE MAGNITUDE AND DIRECTION OF ANY DIFFERENCE, MEANS OPERATIVE DURING THE SECOND OF SAID PHASES FOR COMPARING THE INSTANTANEOUS AIR VELOCITY OF SAID AIRCRAFT WITH A CAPTIVE VELOCITY AND FOR INDICATING THE MAGNITUDE AND DIRECTION OF ANY DIFFERENCE, AND MEANS RESPONSIVE TO THE ACCELERATION OF SAID AIRCRAFT AND OPERATIVE WHEN SAID ACCELERATION EQUALS ZERO TO EFFECT A TRANSITION FROM THE FIRST PHASE TO THE SECOND PHASE AND TO ESTABLISH THE AIR VELOCITY AT THE INSTANT OF TRANSITION AS SAID CAPTIVE VELOCITY.
Claim 2
Dependent Claim
126 words
APPARATUS FOR DIRECTING THE TAKE-OFF OF AN AIRCRAFT IN TWO SUCCESSIVE PHASESD, SAID APPARATUS COMPRISING: MEANS OPERATIVE DURING THE FIRST OF SAID PHASES FOR COM-/ PARING THE INSTANEOUS ANGLE OF ATTACK OF SAID AIRCRAFT WITH A PREDETERMINED LIFT-OFF ANGLE OF ATTACK AND FOR INDI CATING THE MAGNITUDE AND DIRECTION OF ANY DIFFERENCE, MEANS OPERATIVE DURING THE SECOND OF SAID PHASES FOR COMPARING THE INSTANTANEOUS AIR VELOCITY OF SAID AIRCRAFT WITH A CAPTIVE VELOCITY AND FOR INDICATING THE MAGNITUDE AND DIRECTION OF ANY DIFFERENCE, AND MEANS RESPONSIVE TO THE ACCELERATION OF SAID AIRCRAFT AND OPERATIVE WHEN SAID ACCELERATION EQUALS ZERO TO EFFECT A TRANSITION FROM THE FIRST PHASE TO THE SECOND PHASE AND TO ESTABLISH THE AIR VELOCITY AT THE INSTANT OF TRANSITION AS SAID CAPTIVE VELOCITY.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |