Patent US2425861A successfully refreshed from Google Patents.
US2425861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of mixtures of alkyl chlorides and petroleum fractions
Assignee: ExxonMobil Oil Corp
•
Filing: 1944-12-26
•
Granted: 1947-08-19
•
Expires: 1964-12-26
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry Trueheart
- 👤 Gorin Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:13
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/26; C07C2521/00; C07C2521/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1826787A
Cited
US1878262A
Cited
US2201306A
Cited
GB513674A
Cited
US2220090A
Cited
US2213345A
Cited
US2368446A
Cited
US2350159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |