Patent US3141500A successfully refreshed from Google Patents.
US3141500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger coils of the panel type
Assignee: Dean Products Inc
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Filing: 1962-02-14
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Granted: 1964-07-21
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Expires: 1982-02-14
Abstract
No abstract record available.
Inventors
- 👤 Raskin Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:14
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/12; F28F9/00; F28F9/02; F28F9/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A HEAT EXCHANGER PANEL COIL COMPRISING A PLURALITY OF FACIALLY-ATTACHED PLATES, AT LEAST ONE OF THE PLATES BEING CORRUGATED TO PROVIDE IT WITH A PLURALITY OF FLUID CHANNELS, A DEPRESSION FORMED IN SAID PLATE AND DEFINING A CAVITY, SAID DEPRESSION HAVING AN INCLINED SIDE WALL, A SLEEVE MOUNTED OVER THE CONCAVE SIDE OF THE DEPRESSION AND FORMING AN EXTENSION OF THE SAME, AND THE INCLINED WALL OF THE DEPRESSION HAVING A PLURALITY OF ORIFICES SURROUNDED BY THE SLEEVE COMMUNICATING RESPECTIVELY WITH THE CHANNELS TO FORM A MULTIPORT DISTRIBUTION FOR THE FLUID.
Claim 2
Dependent Claim
91 words
A HEAT EXCHANGER PANEL COIL COMPRISING A PLURALITY OF FACIALLY-ATTACHED PLATES, AT LEAST ONE OF THE PLATES BEING CORRUGATED TO PROVIDE IT WITH A PLURALITY OF FLUID CHANNELS, A DEPRESSION FORMED IN SAID PLATE AND DEFINING A CAVITY, SAID DEPRESSION HAVING AN INCLINED SIDE WALL, A SLEEVE MOUNTED OVER THE CONCAVE SIDE OF THE DEPRESSION AND FORMING AN EXTENSION OF THE SAME, AND THE INCLINED WALL OF THE DEPRESSION HAVING A PLURALITY OF ORIFICES SURROUNDED BY THE SLEEVE COMMUNICATING RESPECTIVELY WITH THE CHANNELS TO FORM A MULTIPORT DISTRIBUTION FOR THE FLUID.
References Cited (Backward Citations)
US2621491A
Cited
US2626130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |