US3246515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal responsive fluid flow measuring probe
Assignee: Dynamics Corp of America
•
Filing: 1963-02-28
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Granted: 1966-04-19
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Andrew F Martino
- 👤 Robert L Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/68; G01F1/684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A PROBE FOR A FLUID CONDITION MEASURING DEVICE OR THE LIKE THE COMBINATION OF A MEANS FOR SUPPORTING A SENSING ELEMENT, AND AT LEAST ONE SENSING ELEMENT CONNECTED WITH AND SUPPORTED BY SAID MEANS, SAID SENSING ELEMENT COMPRISING AN ADHESIVE AND A SMALL DIAMETER ELONGATED TUBE AND AT LEAST ONE ELONGATED RESISTANCE WIRE AND A HEATER WIRE, SAID RESISTANCE WIRE BEING OF A DIAMETER SUBSTANTIALLY LESS THAN THAT OF THE TUBE AND HAVING THE CHARACTERISTIC OF CHANGING RESISTANCE WITH TEMPERATURE CHANGE, AND SAID RESISTANCE WIRE BEING ARRANGED IN AN ELONGATED OPEN CENTER COIL ABOUT A LONGITUDINAL AXIS AND BEING DISPOSED IN THE TUBE, SAID HEATER WIRE BEING OF A DIAMETER SUBSTANTIALLY LESS THAN THAT OF THE TUBE AND BEING COILED ABOUT THE SAME AXIS AS SAID RESISTANCE WIRE WITH AN OPEN CENTER, AND SAID HEATER WIRE COIL BEING DISPOSED IN THE TUBE IN RADIALLY ADJACENT RELATIONSHIP WITH SAID RESISTANCE WIRE COIL, AND SAID ADHESIVE BEING DISPOSED IN THE
Claim 2
Dependent Claim
159 words
IN A PROBE FOR A FLUID CONDITION MEASURING DEVICE OR THE LIKE THE COMBINATION OF A MEANS FOR SUPPORTING A SENSING ELEMENT, AND AT LEAST ONE SENSING ELEMENT CONNECTED WITH AND SUPPORTED BY SAID MEANS, SAID SENSING ELEMENT COMPRISING AN ADHESIVE AND A SMALL DIAMETER ELONGATED TUBE AND AT LEAST ONE ELONGATED RESISTANCE WIRE AND A HEATER WIRE, SAID RESISTANCE WIRE BEING OF A DIAMETER SUBSTANTIALLY LESS THAN THAT OF THE TUBE AND HAVING THE CHARACTERISTIC OF CHANGING RESISTANCE WITH TEMPERATURE CHANGE, AND SAID RESISTANCE WIRE BEING ARRANGED IN AN ELONGATED OPEN CENTER COIL ABOUT A LONGITUDINAL AXIS AND BEING DISPOSED IN THE TUBE, SAID HEATER WIRE BEING OF A DIAMETER SUBSTANTIALLY LESS THAN THAT OF THE TUBE AND BEING COILED ABOUT THE SAME AXIS AS SAID RESISTANCE WIRE WITH AN OPEN CENTER, AND SAID HEATER WIRE COIL BEING DISPOSED IN THE TUBE IN RADIALLY ADJACENT RELATIONSHIP WITH SAID RESISTANCE WIRE COIL, AND SAID ADHESIVE BEING DISPOSED IN THE
References Cited (Backward Citations)
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US2800018A
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US3110954A
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US3064335A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |