US2362219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alkyl sulphides
Assignee: Phillips Petroleum Co
•
Filing: 1941-12-02
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Granted: 1944-11-07
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Expires: 1961-12-02
Abstract
No abstract record available.
Inventors
- 👤 Walter A Schulze
- 👤 Lloyd C Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:51
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/26; C07C319/28; C07C319/30
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) | 1947-11-07 | 1948-05-08 | 1948-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-07 | 1952-05-08 | 1952-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-07 | 1956-05-08 | 1956-11-07 | $7700.00 | Window Closed / Lapsed |