US2699989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic units and apparatus
Assignee: Oxy Catalyst Inc
•
Filing: 1950-10-04
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Granted: 1955-01-18
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Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; F01N3/2803; F01N3/2825; F01N2330/00; F01N2330/06; F01N2450/00; F01N2450/30; F01N2510/00; F01N2510/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR CARRYING OUT CATALYTIC REACTIONS COMPRISING AN ELONGATED OUTSIDE CONTAINER HAVING AN INLET AND AN OUTLET TO PERMIT THE PASSAGE OF FLUIDS THERETHROUGH, SAID CONTAINER HOUSING REMOVABLE CATALYTIC UNITS DISPOSED THEREIN IN THE PATH OF FLUIDS FLOWING THROUGH THE CONTAINER, EACH OF SAID UNITS COMPRISING A SUBSTANTIALLY FLAT PLATE-LIKE MEMBER HAVING A PLURALITY OF ROWS OF ROD-LIKE ELEMENTS EXTENDING THEREFROM, SAID ROWS OF ROD-LIKE ELEMENTS OCCYPYING THE MAJOR PORTION OF SAID PLATE-LIKE MEMBER BUT BEING ARRANGED SO AS TO LEAVE FREE MARGINAL PORTIONS AROUND THE PERIPHERY THEREOF,SAID ROD-LIKE ELEMENTS BEING INDIVIDUALLY SUPPORTED BY SAID PLATE-LIKE MEMBER OUT OF CONTACT WITH ONE ANOTHER AND EACH PROVIDING A
Claim 2
Dependent Claim
107 words
APPARATUS FOR CARRYING OUT CATALYTIC REACTIONS COMPRISING AN ELONGATED OUTSIDE CONTAINER HAVING AN INLET AND AN OUTLET TO PERMIT THE PASSAGE OF FLUIDS THERETHROUGH, SAID CONTAINER HOUSING REMOVABLE CATALYTIC UNITS DISPOSED THEREIN IN THE PATH OF FLUIDS FLOWING THROUGH THE CONTAINER, EACH OF SAID UNITS COMPRISING A SUBSTANTIALLY FLAT PLATE-LIKE MEMBER HAVING A PLURALITY OF ROWS OF ROD-LIKE ELEMENTS EXTENDING THEREFROM, SAID ROWS OF ROD-LIKE ELEMENTS OCCYPYING THE MAJOR PORTION OF SAID PLATE-LIKE MEMBER BUT BEING ARRANGED SO AS TO LEAVE FREE MARGINAL PORTIONS AROUND THE PERIPHERY THEREOF,SAID ROD-LIKE ELEMENTS BEING INDIVIDUALLY SUPPORTED BY SAID PLATE-LIKE MEMBER OUT OF CONTACT WITH ONE ANOTHER AND EACH PROVIDING A
References Cited (Backward Citations)
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US1351859A
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US1452145A
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US1722339A
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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) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |