Patent US3433000A successfully refreshed from Google Patents.
Patent US2423033A successfully refreshed from Google Patents.
US2423033A
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US
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Reclaiming synthetic rubbers with a fatty acid and live steam
Assignee: Midwest Rubber Reclaiming Co
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Filing: 1944-07-24
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Granted: 1947-06-24
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Expires: 1964-07-24
Abstract
No abstract record available.
Inventors
- 👤 Beau Ree Vilma Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:25
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J11/22; C08J11/26; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1171187A
Cited
US2154894A
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US2273506A
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US2280484A
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US2338427A
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US2278826A
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US2324980A
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US2343558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |