US3383919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminar flow temperature probe
Assignee: Boeing North American Inc
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Filing: 1966-06-23
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Granted: 1968-05-21
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Robert D Marcy
- 👤 Richard F Searle
- 👤 Perow John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:08
CPC Classifications
G; G01; G01K; G01K13/00; G01K13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN APPARATUS FOR SENSING TEMPERATURE IN AN ENVIRONMENT COMPRISING: INLET MEANS FOR ADMITTING A WORKING GAS TO SAID APPARATUS, A HEAT EXCHANGER CONNECTED TO SAID INLET MEANS, WHEREBY SAID WORKING GAS PASSING THROUGH SAID HEAT EXCHANGER REACHES THE TEMPERATURE OF SAID ENVIRONMENT, A LAMINAR FLOW TUBE FIXED TO AN OUTLET OF SAID HEAT EXCHANGER WHEREBY SAID WORKING GAS LEAVING SAID HEAT EXCHANGER WILL ESTABLISH LAMINAR FLOW, A SONIC NOZZLE, MEANS FOR CONDUCTING SAID WORKING GAS FROM SAID LAMINAR FLOW SECTION TO SAID SONIC NOZZLE, MEANS FOR CONDUCTING SAID GAS FROM THE OUTLET OF SAID NOZZLE, AND PRESSURE TAPS DISPOSED AT BOTH ENDS OF SAID LAMINAR FLOW SECTION, WHEREBY PRESSURE SENSING MEANS CAN DETERMINE THE PRESSURE OF SAID WORKING GAS BEFORE AND AFTER IT PASSES THROUGH SAID LAMINAR FLOW SECTION.
Claim 2
Independent Claim
129 words
AN APPARATUS FOR SENSING TEMPERATURE IN AN ENVIRONMENT COMPRISING: INLET MEANS FOR ADMITTING A WORKING GAS TO SAID APPARATUS, A HEAT EXCHANGER CONNECTED TO SAID INLET MEANS, WHEREBY SAID WORKING GAS PASSING THROUGH SAID HEAT EXCHANGER REACHES THE TEMPERATURE OF SAID ENVIRONMENT, A LAMINAR FLOW TUBE FIXED TO AN OUTLET OF SAID HEAT EXCHANGER WHEREBY SAID WORKING GAS LEAVING SAID HEAT EXCHANGER WILL ESTABLISH LAMINAR FLOW, A SONIC NOZZLE, MEANS FOR CONDUCTING SAID WORKING GAS FROM SAID LAMINAR FLOW SECTION TO SAID SONIC NOZZLE, MEANS FOR CONDUCTING SAID GAS FROM THE OUTLET OF SAID NOZZLE, AND PRESSURE TAPS DISPOSED AT BOTH ENDS OF SAID LAMINAR FLOW SECTION, WHEREBY PRESSURE SENSING MEANS CAN DETERMINE THE PRESSURE OF SAID WORKING GAS BEFORE AND AFTER IT PASSES THROUGH SAID LAMINAR FLOW SECTION.
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |