US2449580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease composition
Assignee: Standard Oil Development Co
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Filing: 1945-12-29
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Granted: 1948-09-21
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Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Beerbower Alan
- 👤 John C Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:14
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/102; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/20; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10N; C10N2010/00; C10N2010/06; C10N2050/00; C10N2050/10; C10N2070/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |