US2521395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum soap greases
Assignee: Standard Oil Development Co
•
Filing: 1948-04-07
•
Granted: 1950-09-05
•
Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Beerbower Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/06; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2065857A
Cited
US2380893A
Cited
US2264353A
Cited
US2365037A
Cited
US2394567A
Cited
US2431453A
Cited
US2449580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |