Patent US2482137A successfully refreshed from Google Patents.
US2482137A
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Process and apparatus for converting hydrocarbons
Assignee: Lummus Technology LLC
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Filing: 1945-02-13
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Granted: 1949-09-20
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Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Schutte August Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
C; C10; C10B; C10B55/00; C10B55/02; C10B55/04; C10B55/06; C10G; C10G11/00; C10G11/14; C10G11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1450327A
Cited
US1717884A
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US1825374A
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US2336639A
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US2403608A
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US2422790A
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US2314112A
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US2348699A
Cited
US2323501A
Cited
US2390031A
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US2423411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |