US2456569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor fuel
Assignee: Union Oil Company of California
•
Filing: 1944-12-18
•
Granted: 1948-12-14
•
Expires: 1964-12-18
Abstract
No abstract record available.
Inventors
- 👤 Andrew I Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:24
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1811; C10L1/19; C10L1/191; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225; C10L1/224; C10L1/24; C10L1/2431; C10L1/2437; C10L1/26; C10L1/2633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1940445A
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US1947219A
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US2115473A
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GB479903A
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US2208105A
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US2197851A
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US2296558A
Cited
US2322007A
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US2343766A
Cited
GB545125A
Cited
US2295773A
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US2316739A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |