US2464616A
Expired / Lapsed
US
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Catalytic hydrocarbon conversions
Assignee: MW Kellogg Co
•
Filing: 1946-01-31
•
Granted: 1949-03-15
•
Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Schwarzenbek
- 👤 Joseph W Moorman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:39
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/32; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2326705A
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US2325611A
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US2341193A
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US2361978A
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US2387309A
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US2396709A
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US2393839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |