Patent US2464202A successfully refreshed from Google Patents.
US2464202A
Expired / Lapsed
US
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Drying oil acid esters and process
Assignee: —
•
Filing: —
•
Granted: 1949-03-15
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Expires: 1966-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:01
CPC Classifications
C; C09; C09F; C09F7/00; C09F7/10; C07; C07C; C07C67/00; C07C67/02; C10; C10M; C10M101/00; C10M101/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280862A
Cited
US2363016A
Cited
US2044747A
Cited
US2063855A
Cited
US2280256A
Cited
US2280242A
Cited
US2315708A
Cited
US2360393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |