US2394797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of a blending fuel
Assignee: Shell Development Co
•
Filing: 1943-10-20
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Granted: 1946-02-12
•
Expires: 1963-10-20
Abstract
No abstract record available.
Inventors
- 👤 Sumner H Mcallister
- 👤 Norman E Peery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/04; C10L1/06
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) | 1949-02-11 | 1949-08-13 | 1950-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-02-11 | 1953-08-13 | 1954-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-02-11 | 1957-08-13 | 1958-02-12 | $7700.00 | Window Closed / Lapsed |