US2482137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for converting hydrocarbons
Assignee: Lummus Technology LLC
•
Filing: 1945-02-13
•
Granted: 1949-09-20
•
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 06:25
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1450327A
Cited
US1717884A
Cited
US1825374A
Cited
US2336639A
Cited
US2403608A
Cited
US2422790A
Cited
US2314112A
Cited
US2348699A
Cited
US2323501A
Cited
US2390031A
Cited
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 |