US3216494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger plate
Assignee: SPX Flow Technology Crawley Ltd
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Filing: 1961-07-17
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Granted: 1965-11-09
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Hugh F Goodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/02; F28F3/04; F28F3/042; F28F3/046; F28F3/08; F28F3/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PLATE TYPE EXCHANGER FOR HEAT EXCHANGING MEDIA COMPRISING IN COMBINATION AT LEAST TWO HEAT EXCHANGER ELEMENTS EACH HAVING PAIRS OF THERMOCONDUCTING PLATES WITH THE PLATES OF EACH PAIR ARRANGED IN FACE-TO-FACE RELATION AND HAVING A LONGITUDINAL EXTENT AND A TRANSVERSE EXTENT, EACH OF SAID PLATES BEING FORMED WITH RIBS ARRANGED IN A SERIES LONGITUDINALLY ALONG THE PLATE AND EACH COMPRISING SECTIONS WHICH ARE TRANSVERSE TO THE LENGTH OF THE PLATE AND SECTIONS WHICH JOIN THE TRANSVERSE SECTIONS AND ARE DISPOSED OBLIQUELY TO THE LENGTH OF THE PLATE AND ASSEMBLED FACE-TO-FACE WITH THE OBLIQUE SECTIONS OF EACH PAIR OF PLATES CROSSING AND BEARING AGAINST ONE ANOTHER
Claim 2
Dependent Claim
106 words
A PLATE TYPE EXCHANGER FOR HEAT EXCHANGING MEDIA COMPRISING IN COMBINATION AT LEAST TWO HEAT EXCHANGER ELEMENTS EACH HAVING PAIRS OF THERMOCONDUCTING PLATES WITH THE PLATES OF EACH PAIR ARRANGED IN FACE-TO-FACE RELATION AND HAVING A LONGITUDINAL EXTENT AND A TRANSVERSE EXTENT, EACH OF SAID PLATES BEING FORMED WITH RIBS ARRANGED IN A SERIES LONGITUDINALLY ALONG THE PLATE AND EACH COMPRISING SECTIONS WHICH ARE TRANSVERSE TO THE LENGTH OF THE PLATE AND SECTIONS WHICH JOIN THE TRANSVERSE SECTIONS AND ARE DISPOSED OBLIQUELY TO THE LENGTH OF THE PLATE AND ASSEMBLED FACE-TO-FACE WITH THE OBLIQUE SECTIONS OF EACH PAIR OF PLATES CROSSING AND BEARING AGAINST ONE ANOTHER
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |