Patent US2798097A successfully refreshed from Google Patents.
US2798097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alcohols and ethers
Assignee: Sinclair Refining Co
•
Filing: 1955-06-10
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Granted: 1957-07-02
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Hettinger
- 👤 Erickson Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:17
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070258A
Cited
US2162913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |