US3233459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature telltale
Assignee: BARCLAYSAMERICAN/BUSINESS CREDIT Inc
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Filing: 1963-06-11
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Granted: 1966-02-08
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert F Gleason
- 👤 Thomas C Loomis
- 👤 Paul A Yeisley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:08
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A TEMPERATURE TELLTALE COMPRISING A BODY HAVING A MIDDLE COMPARTMENT AND TWO END COMPARTMENTS, A FIRST FLUID NORMALLY IN A FIRST ONE OF SAID END COMPARTMENTS, MOVABLE MEMBERS AT OPPOSITE ENDS OF SAID FIRST END COMPARTMENT FOR NORMALLY RETAINING SAID FIRST FLUID THEREING, A RIGID INSTRUMENTALITY FOR INTERCONNECTING SAID MOVABLE MEMBERS FOR MOVEMENT IN TANDEM, FIRST MEANS RESPONSIVE TO THE OCCURRENCE OF AN ASSIGNED LOWER TEMPERATURE FOR MOVING SAID MOVABLE MEMBERS AND OPENING SAID FIRST END COMPARTMENT FOR EFFECTING THE ESCAPE THEREFROM OF AT LEAST A PORTION OF SAID FIRST FLUID, A SECOND FLUID IN SAID MIDDLE COMPARTMENT, A THIRD FLUID IN SAID SECOND END COMPARTMENT HAVING A COLOR DIFFERENT FROM SAID SECOND FLUID, AND SECOND MEANS RESPONSIVE TO THE OCCURRENCE OF AN ASSIGNED UPPER TEMPERATURE FOR EFFECTING THE COMMINGLING OF SAID DIFFERENTLY COLORED SECOND AND THIRD FLUIDS.
Claim 2
Dependent Claim
138 words
A TEMPERATURE TELLTALE COMPRISING A BODY HAVING A MIDDLE COMPARTMENT AND TWO END COMPARTMENTS, A FIRST FLUID NORMALLY IN A FIRST ONE OF SAID END COMPARTMENTS, MOVABLE MEMBERS AT OPPOSITE ENDS OF SAID FIRST END COMPARTMENT FOR NORMALLY RETAINING SAID FIRST FLUID THEREING, A RIGID INSTRUMENTALITY FOR INTERCONNECTING SAID MOVABLE MEMBERS FOR MOVEMENT IN TANDEM, FIRST MEANS RESPONSIVE TO THE OCCURRENCE OF AN ASSIGNED LOWER TEMPERATURE FOR MOVING SAID MOVABLE MEMBERS AND OPENING SAID FIRST END COMPARTMENT FOR EFFECTING THE ESCAPE THEREFROM OF AT LEAST A PORTION OF SAID FIRST FLUID, A SECOND FLUID IN SAID MIDDLE COMPARTMENT, A THIRD FLUID IN SAID SECOND END COMPARTMENT HAVING A COLOR DIFFERENT FROM SAID SECOND FLUID, AND SECOND MEANS RESPONSIVE TO THE OCCURRENCE OF AN ASSIGNED UPPER TEMPERATURE FOR EFFECTING THE COMMINGLING OF SAID DIFFERENTLY COLORED SECOND AND THIRD FLUIDS.
References Cited (Backward Citations)
US3090236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |