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US3357248A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature indicating apparatus

Assignee: Individual
•
Filing: 1964-10-23
•
Granted: 1967-12-12
•
Expires: 1984-10-23
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Abstract

No abstract record available.

Inventors

  • 👤 George H Tyson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:01
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)

US2694930A Cited
US2625043A Cited
US2753713A Cited
US2800018A Cited
US3114125A Cited

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

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