US2666692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reactor tube assembly
Assignee: Phillips Petroleum Co
•
Filing: 1947-07-21
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Granted: 1954-01-19
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Expires: 1967-07-21
Abstract
No abstract record available.
Inventors
- 👤 Dolezal Edward
- 👤 Harrison L Hays
- 👤 Gerald W Mccullough
- 👤 Karl H Hachmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:29
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/062; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A CATALYST CASE ASSEMBLY COMPRISING A SERIES OF PARALLEL VERTICALLY DISPOSED HARPS EACH COMPRISING AN UPPER HORIZONTAL HEADER HAVING A CLOSED END AND A SPHERICAL-JOINTED END, A LOWER HORIZONTAL HEADER PARALLEL TO SAID UPPER HEADER HAVING A CLOSED END AND A SPHERICAL-JOINTED END IN REVERSE ORDER, AND A SERIES OF SPACED-APART CATALYST TUBES ARRANGED IN TWO PARALLEL ROWS ON OPPOSITE SIDES OF A PLANE PASSING THRU THE AXES OF SAID HEADERS, SAID TUBES BEING CURVED AT EACH END SO AS TO OFFSET SAME FROM SAID PLANE AND THE SPHERICAL-JOINTED ENDS OF SAID HEADER EXTENDING BEYOND THE OUTERMOST TUBES ON THE RESPECTIVE ENDS A SUBSTANTIAL DISTANCE SO AS TO PROVIDE SPACE FOR A WALL OF SAID HEREINAFTER-NAMED CASE BETWEEN THE HEADER ENDS AND SAID OUTERMOST TUBES; A HEAT INSULATING CASE SURROUNDING SAID SERIES OF HARPS SO AS TO PERMIT THE OPEN ENDS OF SAID UPPER HEADERS TO EXTEND THRU ONE SAID OF SAID CASE AND THE OPEN ENDS OF SAID LOWER HEADERS THRU THE OTHER SIDE THEREOF AND SO AS TO PROVIDE OPEN SPACE BETWEEN THE ENDS OF SAID CASE AND THE OUTERMOST HARP IN EACH INSTANCE, SAID CASE HAVING DETACH-
Claim 2
Dependent Claim
190 words
A CATALYST CASE ASSEMBLY COMPRISING A SERIES OF PARALLEL VERTICALLY DISPOSED HARPS EACH COMPRISING AN UPPER HORIZONTAL HEADER HAVING A CLOSED END AND A SPHERICAL-JOINTED END, A LOWER HORIZONTAL HEADER PARALLEL TO SAID UPPER HEADER HAVING A CLOSED END AND A SPHERICAL-JOINTED END IN REVERSE ORDER, AND A SERIES OF SPACED-APART CATALYST TUBES ARRANGED IN TWO PARALLEL ROWS ON OPPOSITE SIDES OF A PLANE PASSING THRU THE AXES OF SAID HEADERS, SAID TUBES BEING CURVED AT EACH END SO AS TO OFFSET SAME FROM SAID PLANE AND THE SPHERICAL-JOINTED ENDS OF SAID HEADER EXTENDING BEYOND THE OUTERMOST TUBES ON THE RESPECTIVE ENDS A SUBSTANTIAL DISTANCE SO AS TO PROVIDE SPACE FOR A WALL OF SAID HEREINAFTER-NAMED CASE BETWEEN THE HEADER ENDS AND SAID OUTERMOST TUBES; A HEAT INSULATING CASE SURROUNDING SAID SERIES OF HARPS SO AS TO PERMIT THE OPEN ENDS OF SAID UPPER HEADERS TO EXTEND THRU ONE SAID OF SAID CASE AND THE OPEN ENDS OF SAID LOWER HEADERS THRU THE OTHER SIDE THEREOF AND SO AS TO PROVIDE OPEN SPACE BETWEEN THE ENDS OF SAID CASE AND THE OUTERMOST HARP IN EACH INSTANCE, SAID CASE HAVING DETACH-
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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) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |