US2436254A
Expired / Lapsed
US
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Process and apparatus for the thermal cracking of hydrocarbons
Assignee: ExxonMobil Oil Corp
•
Filing: 1946-04-04
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Granted: 1948-02-17
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Sylvander C Eastwood
- 👤 Robert D Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:46
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/28; C10G9/30; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/32; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C10J; C10J3/00; C10J3/02; C10J3/06; C10J3/12; C10J2300/00; C10J2300/16; C10J2300/164; C10J2300/1656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2331343A
Cited
US2393636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |