US3289750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Olin Corp
•
Filing: 1964-09-21
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Granted: 1966-12-06
•
Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Emery I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:09
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F28; F28B; F28B1/00; F28B1/02; F25B2500/00; F25B2500/01; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49361
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
HEAT EXCHANGER COMPRISING A SHEET-LIKE POROUS BODY METALLURGICALLY BONDED TO AN IMPERFORATE SHEET METAL MEMBER SUBSTANTIALLY THROUGHOUT THE EXTENT OF SAID BODY, A FIRST FLUID CIRCULATING THROUGHOUT SAID BODY,A FIRST FLUID CIRCULATING MEANS INDUCING FLOW OF SAID FIRST FLUID THROUGHOUT SAID BODY, CONDUIT MEANS DEFINED BY A PORTION OF SAID MEMBER JUXTAPOSED SAID BODY, A SECOND FLUID CIRCULATING THROUGH SAID CONDUIT MEANS IN HEAT EXCHANGE RELATIONSHIP WITH SAID FIRST FLUID SUBSTANTIALLY THROUGHOUT SAID SHEET-LIKE POROUS BODY, WITH SAID MEMBER FORMING AN IMPERFORATE SEPARATION BETWEEN SAID FIRST AND SAID SECOND FLUIDS, MEANS ASSOCIATED WITH AT LEAST ONE SHEET TO CAUSE SAID FIRST AND SECOND FLUIDS TO BE IN HEAT EXCHANGE RELATIONSHIP THROUGHOUT THE EXTENT OF SAID BODY, AND A SECOND FLUID CIRCULATING MEANS OPERATIVELY CONNECTED TO SAID CONDUIT MEANS TO INDUCE FLOW OF SAID SECOND FLUID THROUGH SAID CONDUIT MEANS.
Claim 2
Dependent Claim
139 words
HEAT EXCHANGER COMPRISING A SHEET-LIKE POROUS BODY METALLURGICALLY BONDED TO AN IMPERFORATE SHEET METAL MEMBER SUBSTANTIALLY THROUGHOUT THE EXTENT OF SAID BODY, A FIRST FLUID CIRCULATING THROUGHOUT SAID BODY,A FIRST FLUID CIRCULATING MEANS INDUCING FLOW OF SAID FIRST FLUID THROUGHOUT SAID BODY, CONDUIT MEANS DEFINED BY A PORTION OF SAID MEMBER JUXTAPOSED SAID BODY, A SECOND FLUID CIRCULATING THROUGH SAID CONDUIT MEANS IN HEAT EXCHANGE RELATIONSHIP WITH SAID FIRST FLUID SUBSTANTIALLY THROUGHOUT SAID SHEET-LIKE POROUS BODY, WITH SAID MEMBER FORMING AN IMPERFORATE SEPARATION BETWEEN SAID FIRST AND SAID SECOND FLUIDS, MEANS ASSOCIATED WITH AT LEAST ONE SHEET TO CAUSE SAID FIRST AND SECOND FLUIDS TO BE IN HEAT EXCHANGE RELATIONSHIP THROUGHOUT THE EXTENT OF SAID BODY, AND A SECOND FLUID CIRCULATING MEANS OPERATIVELY CONNECTED TO SAID CONDUIT MEANS TO INDUCE FLOW OF SAID SECOND FLUID THROUGH SAID CONDUIT MEANS.
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |