Patent US4281432A successfully refreshed from Google Patents.
Patent US3017592A successfully refreshed from Google Patents.
US3017592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive apparatus
Assignee: Honeywell Inc
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Filing: 1959-06-25
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Granted: 1962-01-16
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Roger P Keller
- 👤 James J Renier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A THERMALLY RESPONSIVE RESISTOR COMPRISING AN INNER AND OUTER RELATIVELY SPACED ELECTRODE PAIR, AND DEFINING AN ANNULAR AREA OF SUBSTANTIALLY UNIFORM THICKNESS THEREBETWEEN, THE ANNULAR AREE BEING AT LEAST PARTIALLY FILLED WITH LITHIUM CHLORIDE-POTASSIUM CHLORIDE EUTECTIC, SO AS TO DEFINE A CONDUCTIVE PATH BETWEEN SAID ELECTRODES, SAID RESISTOR ELEMENT BEING CHARACTERIZED IN THAT THE ELECTRODE MEMBERS CONSIST ESSENTIALLY OF A METAL FROM THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM.
Claim 2
Dependent Claim
69 words
A THERMALLY RESPONSIVE RESISTOR COMPRISING AN INNER AND OUTER RELATIVELY SPACED ELECTRODE PAIR, AND DEFINING AN ANNULAR AREA OF SUBSTANTIALLY UNIFORM THICKNESS THEREBETWEEN, THE ANNULAR AREE BEING AT LEAST PARTIALLY FILLED WITH LITHIUM CHLORIDE-POTASSIUM CHLORIDE EUTECTIC, SO AS TO DEFINE A CONDUCTIVE PATH BETWEEN SAID ELECTRODES, SAID RESISTOR ELEMENT BEING CHARACTERIZED IN THAT THE ELECTRODE MEMBERS CONSIST ESSENTIALLY OF A METAL FROM THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |