US2350145A
Expired / Lapsed
US
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Motor fuel composition
Assignee: Pure Oil Co
•
Filing: 1940-10-10
•
Granted: 1944-05-30
•
Expires: 1960-10-10
Abstract
No abstract record available.
Inventors
- 👤 William J Backoff
- 👤 Norman D Williams
- 👤 John F O'loughlin
- 👤 Harry L Moir
- 👤 John S Yule
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:19
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/06; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1857; C10L1/19; C10M; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286
Claims Analysis
Total Claims: 0
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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) | 1947-05-30 | 1947-11-29 | 1948-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-30 | 1951-11-29 | 1952-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-30 | 1955-11-29 | 1956-05-30 | $7700.00 | Window Closed / Lapsed |