US2742427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil containing dispersed magnesium
Assignee: ExxonMobil Oil Corp
•
Filing: 1953-06-08
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Granted: 1956-04-17
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Orland M Reiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:39
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/04; C10M2201/00; C10M2201/04; C10M2201/05; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/16; C10M2207/28; C10M2207/287; C10M2207/289; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810905A
Cited
US2242101A
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US2530489A
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US2485861A
Cited
US2633332A
Cited
US2671758A
Cited
US2676925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |