US2482138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactor for thermal conversion of hydrocarbons
Assignee: Lummus Technology LLC
•
Filing: 1947-06-24
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Granted: 1949-09-20
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Expires: 1967-06-24
Abstract
No abstract record available.
Inventors
- 👤 August H Schutte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:23
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)
US1505870A
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US2348699A
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US2418673A
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US2405395A
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US2390031A
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US2386670A
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US2432344A
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 |