US3263742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controller for fluids
Assignee: Sunoco Inc
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Filing: 1964-06-03
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Granted: 1966-08-02
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:00
CPC Classifications
F; F28; F28F; F28F13/00; F28F27/00; G; G05; G05D; G05D23/00; G05D23/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A TEMPERATURE CONTROLLER FOR FLUID TRAVELING THROUGH A HEAT-CONDUCTING PIPE, COMPRISING A HOLLOW CYLINDER OF HEAT-INSULATING MATERIAL COAXIALLY SURROUNDING SAID PIPE BUT SPACED THEREFROM TO LEAVE A DEAD AIR SPACE BETWEEN SAID CYLINDER AND SAID PIPE, A PORTION OF THE WALL OF SAID CYLINDER BEING CUT FREE FROM THE BODY OF SAID CYLINDER TO FORM A PANNEL WHICH IS ARRANGED FOR MOVEMENT WITH RESPECT TO THE BODY OF SAID CYLINDER TO BRING SAID AIR SPACE INTO DIRECT COMMUNICATION WITH THE AMBIENT; AND MEANS RESPONSIVE TO THE TEMPERATURE OF SAID FLUID FOR CAUSING MOVEMENT OF SAID PANEL.
Claim 2
Dependent Claim
96 words
A TEMPERATURE CONTROLLER FOR FLUID TRAVELING THROUGH A HEAT-CONDUCTING PIPE, COMPRISING A HOLLOW CYLINDER OF HEAT-INSULATING MATERIAL COAXIALLY SURROUNDING SAID PIPE BUT SPACED THEREFROM TO LEAVE A DEAD AIR SPACE BETWEEN SAID CYLINDER AND SAID PIPE, A PORTION OF THE WALL OF SAID CYLINDER BEING CUT FREE FROM THE BODY OF SAID CYLINDER TO FORM A PANNEL WHICH IS ARRANGED FOR MOVEMENT WITH RESPECT TO THE BODY OF SAID CYLINDER TO BRING SAID AIR SPACE INTO DIRECT COMMUNICATION WITH THE AMBIENT; AND MEANS RESPONSIVE TO THE TEMPERATURE OF SAID FLUID FOR CAUSING MOVEMENT OF SAID PANEL.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |