Patent US2423032A successfully refreshed from Google Patents.
US2423032A
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Reclaiming synthetic rubber with an amine
Assignee: Midwest Rubber Reclaiming Co
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Filing: 1943-01-09
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Granted: 1947-06-24
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Expires: 1963-01-09
Abstract
No abstract record available.
Inventors
- 👤 Beau Ree Vilma Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:24
CPC Classifications
C; C08; C08J; C08J11/00; C08J11/04; C08J11/10; C08J11/18; C08J11/28; C08J2321/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190508378A
Cited
US1235850A
Cited
US1532213A
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US2273506A
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US2280484A
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US2234215A
Cited
US2338427A
Cited
US2304549A
Cited
US2324980A
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 |