US1824523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulphurized oils
Assignee: Standard Oil Co
•
Filing: 1929-08-08
•
Granted: 1931-09-22
•
Expires: 1949-08-08
Abstract
No abstract record available.
Inventors
- 👤 Elmer W Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
C; C10; C10M; C10M101/00; C10M101/02; C10M135/00; C10M135/02; C10M2201/00; C10M2201/04; C10M2201/043; C10M2219/00; C10M2219/02; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-09-21 | 1935-03-23 | 1935-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-09-21 | 1939-03-23 | 1939-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-09-21 | 1943-03-23 | 1943-09-22 | $7700.00 | Window Closed / Lapsed |