US2247045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extreme pressure lubricant
Assignee: ExxonMobil Oil Corp
•
Filing: 1940-10-23
•
Granted: 1941-06-24
•
Expires: 1960-10-23
Abstract
No abstract record available.
Inventors
- 👤 Henry G Berger
- 👤 Darwin E Badertscher
- 👤 Francis M Seger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:58
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/08; C10M2219/082
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) | 1944-06-23 | 1944-12-23 | 1945-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-06-23 | 1948-12-23 | 1949-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-06-23 | 1952-12-23 | 1953-06-24 | $7700.00 | Window Closed / Lapsed |