US3310105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger with combined closing member and fluid distributor
Assignee: Trane US Inc
•
Filing: 1964-06-15
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Granted: 1967-03-21
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Alan G Butt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:51
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/026; F28F9/0265; F28F9/0268; F25; F25J; F25J5/00; F25J5/002; F28D; F28D9/00; F28D9/0062; F28D9/0068; F25J2290/00; F25J2290/32; F25J2290/42; F28D21/00; F28D2021/0019; F28D2021/0033; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/356; Y10S165/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PLATE TYPE HEAT EXCHANGER COMPRISING FIRST, SECOND AND THIRD HEAT CONDUCTING PLATES STACKED IN SPACED SUBSTANTIALLY PARALLEL FACE-TO-FACE RELATIONSHIP; SEALING MEANS EXTENDING BETWEEN ADJACENT FACES OF SAID FIRST AND SECOND PLATES ALONG THE MARGIN THEREOF SEALINGLY CONNECTING SAID FIRST AND SECOND PLATES THEREBY DEFINING A FIRST FLUID PASSAGE BETWEEN SAID FIRST AND SECOND PLATES FOR THE PASSAGE OF A FIRST HEAT EXCHANGE FLUID; A FLUID INLET AND A FLUID OUTLET FOR SAID FIRST FLUID PASSAGE; SEALING MEANS EXTENDING BETWEEN ADJACENT FACES OF SAID SECOND AND THIRD PLATES ALONG THE MARGIN THEREOF SEALINGLY CONNECTING SAID SECOND AND THIRD PLATES THEREBY DEFINING A SECOND FLUID PASSAGE BETWEEN SAID SECOND AND THIRD PLATES FOR THE PASSAGE OF
Claim 2
Dependent Claim
115 words
A PLATE TYPE HEAT EXCHANGER COMPRISING FIRST, SECOND AND THIRD HEAT CONDUCTING PLATES STACKED IN SPACED SUBSTANTIALLY PARALLEL FACE-TO-FACE RELATIONSHIP; SEALING MEANS EXTENDING BETWEEN ADJACENT FACES OF SAID FIRST AND SECOND PLATES ALONG THE MARGIN THEREOF SEALINGLY CONNECTING SAID FIRST AND SECOND PLATES THEREBY DEFINING A FIRST FLUID PASSAGE BETWEEN SAID FIRST AND SECOND PLATES FOR THE PASSAGE OF A FIRST HEAT EXCHANGE FLUID; A FLUID INLET AND A FLUID OUTLET FOR SAID FIRST FLUID PASSAGE; SEALING MEANS EXTENDING BETWEEN ADJACENT FACES OF SAID SECOND AND THIRD PLATES ALONG THE MARGIN THEREOF SEALINGLY CONNECTING SAID SECOND AND THIRD PLATES THEREBY DEFINING A SECOND FLUID PASSAGE BETWEEN SAID SECOND AND THIRD PLATES FOR THE PASSAGE OF
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |