US2441102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation process
Assignee: ExxonMobil Oil Corp
•
Filing: 1943-10-09
•
Granted: 1948-05-04
•
Expires: 1963-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jacob R Meadow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:28
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2274858A
Cited
US2267730A
Cited
US2259723A
Cited
US2240134A
Cited
US2258236A
Cited
US2320629A
Cited
US2317694A
Cited
US2338248A
Cited
US2398905A
Cited
US2379368A
Cited
US2378762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |