US2445367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of stabilizing hydrocarbons
Assignee: Standard Oil Development Co
•
Filing: 1944-05-26
•
Granted: 1948-07-20
•
Expires: 1964-05-26
Abstract
No abstract record available.
Inventors
- 👤 Richard F Robey
- 👤 Fedirko John
- 👤 Allan E Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:46
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1884431A
Cited
US2031917A
Cited
US2288754A
Cited
US2006756A
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US2023110A
Cited
US2115781A
Cited
US2361538A
Cited
US2398468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |