US3135321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Trane Co
•
Filing: 1960-03-07
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Granted: 1964-06-02
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Alan G Butt
- 👤 Lewis J Dedo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/06; F28D19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A HEAT EXCHANGER COMPRISING A FIRST CONTAINER FOR EQUIPMENT TO BE COOLED, A SECOND CONTAINER SURROUNDING SAID FIRST CONTAINER, FIRST HEAT TRANSFER FINS INTEGRALLY JOINED TO OUTER SURFACES OF WALLS OF SAID FIRST CONTAINER, SAID FIRST HEAT TRANSFER FINS BEING INTEGRALLY JOINED TO INNER SURFACES OF THE WALLS OF SAID SECOND CONTAINER TO PROVIDE FIRST FLUID PASSAGEWAYS BETWEEN WALLS OF SAID FIRST AND SECOND CONTAINERS, SAID FIRST CONTAINER HAVING A FIRST OPENING FOR THE FLOW OF FLUID FROM THE FIRST CONTAINER TO SAID FIRST FLUID PASSAGEWAYS, SAID FIRST CONTAINER HAVING A SECOND OPENING FOR THE FLOW OF FLUID FROM SAID FIRST FLUID PASSAGEWAYS TO SAID FIRST CONTAINER, A THIRD CONTAINER SURROUNDING SAID SECOND CONTAINER, SECOND HEAT TRANSFER FINS INTEGRALLY JOINED TO THE OUTER, SURFACES OF WALLS OF SAID SECOND CONTAINER, SAID SECOND HEAT TRANSFER FINS BEING INTEGRALLY JOINED TO THE INNER SURFACES OF WALLS OF SAID THIRD CONTAINER TO PROVIDE SECOND FLUID PASSAGEWAYS BETWEEN WALLS OF SAID SECOND AND THIRD CONTAINERS, SAID THIRD CONTAINER HAVING A FIRST OPENING FOR THE FLOW OF FLUID INTO SAID THIRD CONTAINER, SAID THIRD CONTAINER HAVING A SECOND OPENING FOR THE FLOW OF FLUID OUT FROM SAID THIRD CONTAINER, AND MEANS HERMETICALLY SEALING SAID SECOND CONTAINER.
Claim 2
Dependent Claim
201 words
A HEAT EXCHANGER COMPRISING A FIRST CONTAINER FOR EQUIPMENT TO BE COOLED, A SECOND CONTAINER SURROUNDING SAID FIRST CONTAINER, FIRST HEAT TRANSFER FINS INTEGRALLY JOINED TO OUTER SURFACES OF WALLS OF SAID FIRST CONTAINER, SAID FIRST HEAT TRANSFER FINS BEING INTEGRALLY JOINED TO INNER SURFACES OF THE WALLS OF SAID SECOND CONTAINER TO PROVIDE FIRST FLUID PASSAGEWAYS BETWEEN WALLS OF SAID FIRST AND SECOND CONTAINERS, SAID FIRST CONTAINER HAVING A FIRST OPENING FOR THE FLOW OF FLUID FROM THE FIRST CONTAINER TO SAID FIRST FLUID PASSAGEWAYS, SAID FIRST CONTAINER HAVING A SECOND OPENING FOR THE FLOW OF FLUID FROM SAID FIRST FLUID PASSAGEWAYS TO SAID FIRST CONTAINER, A THIRD CONTAINER SURROUNDING SAID SECOND CONTAINER, SECOND HEAT TRANSFER FINS INTEGRALLY JOINED TO THE OUTER, SURFACES OF WALLS OF SAID SECOND CONTAINER, SAID SECOND HEAT TRANSFER FINS BEING INTEGRALLY JOINED TO THE INNER SURFACES OF WALLS OF SAID THIRD CONTAINER TO PROVIDE SECOND FLUID PASSAGEWAYS BETWEEN WALLS OF SAID SECOND AND THIRD CONTAINERS, SAID THIRD CONTAINER HAVING A FIRST OPENING FOR THE FLOW OF FLUID INTO SAID THIRD CONTAINER, SAID THIRD CONTAINER HAVING A SECOND OPENING FOR THE FLOW OF FLUID OUT FROM SAID THIRD CONTAINER, AND MEANS HERMETICALLY SEALING SAID SECOND CONTAINER.
References Cited (Backward Citations)
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |