US3170860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condition responsive devices
Assignee: Honeywell Inc
•
Filing: 1962-01-22
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Granted: 1965-02-23
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William T Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:52
CPC Classifications
G; G01; G01K; G01K3/00; G01K3/02; G01K3/04; G01K11/00; G01K11/12; G01K11/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING IN COMBINATION: MEANS FOR PRODUCING AN ELECTRIC OUTPUT THE MAGNITUDE OF WHICH IS DEPENDENT ON TEMPERATURE; AN ABSORBENT MATRIX MEDIUM; A PAIR OF SPACED ELECRODES ARRANGED IN CONTACT WITH SAID MEDIUM; A RUPTURABLE VIAL DISPOSED ADJACENT SAID MEDIUM AND CONTAINING AN ELECTROLYTE COMPOSITION, WHICH COMPOSITION UPON RUPTURE OF SAID VIAL IS CAPABLE OF IMPREGNATING SAID MEDIUM; AND MEANS ELECTRICALLY CONNECTING SAID ELECTRIC OUTPUT MEANS AND SAID ELECTRODES FOR APPLYING SAID OUTPUT THERETO, PASSAGE OF SAID OUTPUT THROUGH SAID ELECTRODES GENERATING REACTION PRODUCTS IN SAID ELECTROLYTE AT SAID ELECTRODES AT A RATE PROPORTIONAL TO THE TEMPERATURE OF SAID ELECTRIC OUTPUT MEANS WITH AT LEAST ONE OF SAID REACTION PRODUCTS MIGRATING AT A TIME-TEMPERATURE DEPENDENT RATE ALONG SAID MEDIUM TO PRODUCE A VISIBLE CHANGE THEREIN.
References Cited (Backward Citations)
US2651612A
Cited
US2886496A
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US3046786A
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US2962425A
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US2962426A
Cited
US3055759A
Cited
US3045179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |