Patent US2674609A successfully refreshed from Google Patents.
US2674609A
Expired / Lapsed
US
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Deodorization process
Assignee: Individual
•
Filing: 1951-07-10
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Granted: 1954-04-06
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Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Beal
- 👤 Earl B Lancaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:53
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/12; C11B3/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
IN THE PROCESS OF REFINING GLYCERIDE OILS WHICH INCLUDES THE STEPS OF DEGUMMING, ALKALI REFINING, BLEACHING AND DEODORIZING SAID OIL, THE IMPROVEMENT COMPRISING DEODORIZING SAID OIL AT A TEMPERATURE WITHIN THE RANGE OF 190* TO 250* F. AND A PRESSURE WITHIN THE RANGE OF 20 TO 60
References Cited (Backward Citations)
GB189320413A
Cited
US2508919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |