US3357248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature indicating apparatus
Assignee: Individual
•
Filing: 1964-10-23
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Granted: 1967-12-12
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 George H Tyson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:47
CPC Classifications
G; G01; G01K; G01K3/00; G01K3/02; G01K3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TEMPERATURE SENSING MEANS FOR INDICATING THE AVERAGE TEMPERATURE OF A LIQUID IN A CONTAINER BETWEEN SELECTED LEVELS COMPRISING A PLURALITY OF SERIES CONNECTED TEMPERATURE SENSITIVE RESISTANCE ELEMENTS HAVING A BOTTOM END AND EXTENDING UPWARDLY ALONG A PREDETERMINED LENGTH AND HAVING JUNCTURES AT RESPECTIVE PREDETERMINED LOCATIONS ALONG SAID LENGTH, AND A PLURALITY OF TEMPERATURE SENSITIVE RESISTANCE UNITS EACH HAVING ONE END CONNECTED WITH RESPECTIVE JUNCTURE OF SAID RESISTANCE ELEMENTS AND PROVIDING A CONDUCTIVE CROSS SECTION TO LENGTH RATIO OF AT LEAST 200 CIRCULAR MILL PER FOOT OF LENGTH BETWEEN ITS SAID FIRST AND SECOND ENDS WHEREBY ERRO IN TEMPERATURE SENSING DUE TO JOULE HEATING OF THE UNIT IS REDUCED.
Claim 2
Dependent Claim
109 words
A TEMPERATURE SENSING MEANS FOR INDICATING THE AVERAGE TEMPERATURE OF A LIQUID IN A CONTAINER BETWEEN SELECTED LEVELS COMPRISING A PLURALITY OF SERIES CONNECTED TEMPERATURE SENSITIVE RESISTANCE ELEMENTS HAVING A BOTTOM END AND EXTENDING UPWARDLY ALONG A PREDETERMINED LENGTH AND HAVING JUNCTURES AT RESPECTIVE PREDETERMINED LOCATIONS ALONG SAID LENGTH, AND A PLURALITY OF TEMPERATURE SENSITIVE RESISTANCE UNITS EACH HAVING ONE END CONNECTED WITH RESPECTIVE JUNCTURE OF SAID RESISTANCE ELEMENTS AND PROVIDING A CONDUCTIVE CROSS SECTION TO LENGTH RATIO OF AT LEAST 200 CIRCULAR MILL PER FOOT OF LENGTH BETWEEN ITS SAID FIRST AND SECOND ENDS WHEREBY ERRO IN TEMPERATURE SENSING DUE TO JOULE HEATING OF THE UNIT IS REDUCED.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |