US2484284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of gelation
Assignee: ExxonMobil Oil Corp
•
Filing: 1946-12-24
•
Granted: 1949-10-11
•
Expires: 1966-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence I Glassbrook
- 👤 Rowland C Hansford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:21
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/14; C01B33/152; C01B33/154; C01B33/1543; B; B01; B01J; B01J13/00; B01J13/0052; B01J13/0056; B01J21/00; B01J21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089966A
Cited
US2384946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |