US2441331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil composition
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-06-08
•
Granted: 1948-05-11
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Orland M Reiff
- 👤 Jr Harry J Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:58
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2495; C07F9/547; C07F9/6564; C07F9/6581; C07F9/65811; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2691; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/02; C10M2223/049; C10M2223/12; C10N; C10N2010/00; C10N2010/04; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2361957A
Cited
US2363133A
Cited
US2382309A
Cited
US2393934A
Cited
US2403474A
Cited
US2403894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |