Patent US2334252A successfully refreshed from Google Patents.
Patent US2476955A successfully refreshed from Google Patents.
US2476955A
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US
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Production of drying oils
Assignee: Universal Oil Products Co
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Filing: 1946-05-31
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Granted: 1949-07-26
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Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:25
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/26; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2322800A
Cited
US2333648A
Cited
US2404483A
Cited
US2378636A
Cited
US2413868A
Cited
US2400521A
Cited
US2400386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |