US3237139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow temperature sensor
Assignee: Emerson Process Management Ltd
•
Filing: 1962-09-05
•
Granted: 1966-02-22
•
Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Frank D Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:45
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/18; H; H01; H01C; H01C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A TEMPERATURE SENSOR COMPRISING, A HELICAL WOUND COIL OF WIRE OF A METAL CAPABLE OF CHANGING ITS ELECTRICAL RESISTANCE OF IN RELATION TO TEMPERATURE, THE TURNS OF SAID COIL BEING SEPARATED FROM EACH OTHER, SAID COIL BEING ORIENTED SO AS TO HAVE ITS TURNS AROUND A COMMON CENTERLINE AXIS AND WITH THE INNER MOST SURFACE OF THE WIRE FORMING THE TURNS OF THE COIL AT A COMMON SURFACE OF REVOLUTION GENERATED AROUND SAID CENTERLINE AS AN AXIS, AN INSULATING FILLING OF REFRACTORY OXIDE OF METAL ENVELOPING SAID COIL AND EXTENDING AS A MASS FROM SAID COMMON SURFACE AND THENCE OUTWARDLY TO AN OUTER SURFACE OF SAID INSULATING FILLING, WHICH SURFACE IS SPACED
Claim 2
Dependent Claim
112 words
A TEMPERATURE SENSOR COMPRISING, A HELICAL WOUND COIL OF WIRE OF A METAL CAPABLE OF CHANGING ITS ELECTRICAL RESISTANCE OF IN RELATION TO TEMPERATURE, THE TURNS OF SAID COIL BEING SEPARATED FROM EACH OTHER, SAID COIL BEING ORIENTED SO AS TO HAVE ITS TURNS AROUND A COMMON CENTERLINE AXIS AND WITH THE INNER MOST SURFACE OF THE WIRE FORMING THE TURNS OF THE COIL AT A COMMON SURFACE OF REVOLUTION GENERATED AROUND SAID CENTERLINE AS AN AXIS, AN INSULATING FILLING OF REFRACTORY OXIDE OF METAL ENVELOPING SAID COIL AND EXTENDING AS A MASS FROM SAID COMMON SURFACE AND THENCE OUTWARDLY TO AN OUTER SURFACE OF SAID INSULATING FILLING, WHICH SURFACE IS SPACED
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |