US3228247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static position error compensation system and apparatus
Assignee: Douglas Aircraft Co Inc
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Filing: 1962-08-28
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Granted: 1966-01-11
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel G Hansen
- 👤 David W Stratton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:36
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A STATIC PRESSURE SYSTEM USEFUL IN PROVIDING A CORRECT MEASURE OF STATIC ATMOSPHERIC PRESSURE ABOUT A MOVING BODY, THE COMBINATION OF: MEANS FOR SENSING STATIC ATMOSPHERIC AIR PRESSURE ADJACENT A SURFACE OF SAID BODY, SAID SENSING MEANS BEING MOUNTED ADJACENT THE SURFACE OF SAID BODY; AND MEANS RESPONSIVE TO A CONTROLLED CHANGE IN A FUNCTION INVOLVING AT LEAST ONE AERODYNAMIC CHARACTERISTICS, INCLUDING VELOCITY AND ANGLE OF ATTACK CHARACTERISTICS, OF SAID BODY AND INDEPENDENT FROM SAID SENSING MEANS FOR ALTERING PRESSURE SENSED BY SAID SENSING MEANS THROUGH MOVEMENT OF AT LEAST A PORTION OF SAID SENSING MEANS RELATIVE TO THE SURFACE OF SAID BODY TO PROVIDE SAID CORRECT MEASURE OF STATIC ATMOSPHERIC PRESSURE.
Claim 2
Dependent Claim
113 words
IN A STATIC PRESSURE SYSTEM USEFUL IN PROVIDING A CORRECT MEASURE OF STATIC ATMOSPHERIC PRESSURE ABOUT A MOVING BODY, THE COMBINATION OF: MEANS FOR SENSING STATIC ATMOSPHERIC AIR PRESSURE ADJACENT A SURFACE OF SAID BODY, SAID SENSING MEANS BEING MOUNTED ADJACENT THE SURFACE OF SAID BODY; AND MEANS RESPONSIVE TO A CONTROLLED CHANGE IN A FUNCTION INVOLVING AT LEAST ONE AERODYNAMIC CHARACTERISTICS, INCLUDING VELOCITY AND ANGLE OF ATTACK CHARACTERISTICS, OF SAID BODY AND INDEPENDENT FROM SAID SENSING MEANS FOR ALTERING PRESSURE SENSED BY SAID SENSING MEANS THROUGH MOVEMENT OF AT LEAST A PORTION OF SAID SENSING MEANS RELATIVE TO THE SURFACE OF SAID BODY TO PROVIDE SAID CORRECT MEASURE OF STATIC ATMOSPHERIC PRESSURE.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |