US2720447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting apparatus
Assignee: Universal Oil Products Co
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Filing: 1951-12-29
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Granted: 1955-10-11
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Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin K Jones
- 👤 James E Gantt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:50
CPC Classifications
B; B01; B01J; B01J14/00; B01J19/00; B01J19/24; B01J19/2415; B01J19/2435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A CONTACTING APPARATUS COMPRISING A VERTICALLY DISPOSED SHELL HAVING A CLOSED LOWER END AND A FLUID DISTRIBUTING AND COLLECTING HEADER REMOVABLY ATTACHED TO ITS UPPER END, AND OPEN-ENDED CYLINDRICAL BAFFLE POSITIONED CONCENTRICALLY WITHIN AND SPACED FROM THE INNER WALLS AND ENDS OF SAID SHELL, U-SHAPED HEAT EXCHANGE TUBES DEPENDING FROM SAID HEADER INTO THE SPACE WITHIN SAID BAFFLE AND MEANS FOR PASSING HEAT EXCHANGING FLUID THROUGH THE HEADER AND TUBES, A FLUID DIDTRIBUTING HEADER TRAVERS-
Claim 2
Dependent Claim
75 words
A CONTACTING APPARATUS COMPRISING A VERTICALLY DISPOSED SHELL HAVING A CLOSED LOWER END AND A FLUID DISTRIBUTING AND COLLECTING HEADER REMOVABLY ATTACHED TO ITS UPPER END, AND OPEN-ENDED CYLINDRICAL BAFFLE POSITIONED CONCENTRICALLY WITHIN AND SPACED FROM THE INNER WALLS AND ENDS OF SAID SHELL, U-SHAPED HEAT EXCHANGE TUBES DEPENDING FROM SAID HEADER INTO THE SPACE WITHIN SAID BAFFLE AND MEANS FOR PASSING HEAT EXCHANGING FLUID THROUGH THE HEADER AND TUBES, A FLUID DIDTRIBUTING HEADER TRAVERS-
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) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |