US3267992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pitot tube having means for removing water from the air
Assignee: Emerson Process Management Ltd
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Filing: 1963-05-06
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Granted: 1966-08-23
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Frank D Werner
- 👤 Richard L Englund
- 👤 Willard L Moline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:39
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PITOT TUBE COMPRISING: AN OUTER SHELL, A TUBULAR FORWARD PORTION OF RELATIVELY SMALL DIAMETER MOUNTED IN SAID OUTER SHELL, A CYLINDRICAL CHAMBER HAVING FRONT AND REAR WALLS FORMED IN SAID OUTER SHELL, AND BEING OF SUBSTANTIALLY GREATER TRANSVERSE DIMENSION THAN SAID TUBULAR FORWARD PORTION, SAID TUBULAR FORWARD PORTION OPENING THROUGH SAID FRONT WALL INTO SAID CHAMBER, A REAR TUBULAR PORTION OF RELATIVELY SMALL DIAMETER LOCATED PARTIALLY WITHIN SAID OUTER SHELL AND OPENING FROM SAID CHAMBER THROUGH SAID REAR WALL AT A POSITION REMOTE FROM THE FORWARD PORTION, AND HEATING MEANS MOUNTED WITHIN SAID OUTER SHELL FOR MAINTAINING THE ENTIRE FORWARD PORTION OF SAID TUBE AT A TEMPERATURE ABOVE THE FREEZING POINT OF WATER, THE REAR PORTION OF SAID CHAMBER BEING SUBSTANTIALLY UNAFFECTED BY SAID HEATING MEANS AND REMAINING AT A TEMPERATURE SUBSTANTIALLY AS LOW AS THE TEMPERATURE OF THE COLDEST PART OF THE REAR TUBULAR PORTION OF SAID PITOT TUBE.
Claim 2
Dependent Claim
151 words
A PITOT TUBE COMPRISING: AN OUTER SHELL, A TUBULAR FORWARD PORTION OF RELATIVELY SMALL DIAMETER MOUNTED IN SAID OUTER SHELL, A CYLINDRICAL CHAMBER HAVING FRONT AND REAR WALLS FORMED IN SAID OUTER SHELL, AND BEING OF SUBSTANTIALLY GREATER TRANSVERSE DIMENSION THAN SAID TUBULAR FORWARD PORTION, SAID TUBULAR FORWARD PORTION OPENING THROUGH SAID FRONT WALL INTO SAID CHAMBER, A REAR TUBULAR PORTION OF RELATIVELY SMALL DIAMETER LOCATED PARTIALLY WITHIN SAID OUTER SHELL AND OPENING FROM SAID CHAMBER THROUGH SAID REAR WALL AT A POSITION REMOTE FROM THE FORWARD PORTION, AND HEATING MEANS MOUNTED WITHIN SAID OUTER SHELL FOR MAINTAINING THE ENTIRE FORWARD PORTION OF SAID TUBE AT A TEMPERATURE ABOVE THE FREEZING POINT OF WATER, THE REAR PORTION OF SAID CHAMBER BEING SUBSTANTIALLY UNAFFECTED BY SAID HEATING MEANS AND REMAINING AT A TEMPERATURE SUBSTANTIALLY AS LOW AS THE TEMPERATURE OF THE COLDEST PART OF THE REAR TUBULAR PORTION OF SAID PITOT TUBE.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |