Patent US3117620A successfully refreshed from Google Patents.
US3117620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature equalizing means for a plurality of conduits
Assignee: Individual
•
Filing: 1960-01-04
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Granted: 1964-01-14
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Forney Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:19
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FLUID HEATER FOR HEATING STEAM AND THE LIKE INCLUDING AN INLET HEADER AND AN OUTLET HEADER, A PLURALITY OF CONDUITS EXTENDING BETWEEN AND COMMUNICATING WITH SAID HEADERS, FLUID FLOW REGULATING MEANS DISPOSED WITHIN EACH OF SAID CONDUITS AT A POINT THEREALONG NEAR SAID INLET HEADER FOR CONSTANTLY MAINTAINING THE OPERATING TEMPERATURE OF SAID CONDUIT AT AN ALLOWABLE MAXIMUM COMPRISING AN ORIFICE, MEANS FOR VARYING THE SIZE OF SAID ORIFICE INCLUDING MEANS LOCATED EXTERNALLY OF SAID CONDUIT, MEANS SENSITIVE TO VARIANCES OF TEMPERATURE LOCATED ON THE OUTER SURFACE OF SAID CONDUIT AND NEAR SAID OUTLET HEADER, SAID TEMPERATURE SENSITIVE MEANS CONTROLLING SAID FLUID FLOW REGULATING MEANS, SAID REGULATING MEANS ADAPTED TO INCREASE FLUID FLOW WITH INCREASE IN TEMPERATURE.
Claim 2
Dependent Claim
118 words
A FLUID HEATER FOR HEATING STEAM AND THE LIKE INCLUDING AN INLET HEADER AND AN OUTLET HEADER, A PLURALITY OF CONDUITS EXTENDING BETWEEN AND COMMUNICATING WITH SAID HEADERS, FLUID FLOW REGULATING MEANS DISPOSED WITHIN EACH OF SAID CONDUITS AT A POINT THEREALONG NEAR SAID INLET HEADER FOR CONSTANTLY MAINTAINING THE OPERATING TEMPERATURE OF SAID CONDUIT AT AN ALLOWABLE MAXIMUM COMPRISING AN ORIFICE, MEANS FOR VARYING THE SIZE OF SAID ORIFICE INCLUDING MEANS LOCATED EXTERNALLY OF SAID CONDUIT, MEANS SENSITIVE TO VARIANCES OF TEMPERATURE LOCATED ON THE OUTER SURFACE OF SAID CONDUIT AND NEAR SAID OUTLET HEADER, SAID TEMPERATURE SENSITIVE MEANS CONTROLLING SAID FLUID FLOW REGULATING MEANS, SAID REGULATING MEANS ADAPTED TO INCREASE FLUID FLOW WITH INCREASE IN TEMPERATURE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |