Patent US3149989A successfully refreshed from Google Patents.
Patent US2653348A successfully refreshed from Google Patents.
US2653348A
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Extrusion apparatus utilizable for reclaiming rubber
Assignee: U S RUBBER RECLAIMING Co
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Filing: 1948-07-13
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Granted: 1953-09-29
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Expires: 1968-07-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Elgin
- 👤 Edward F Sverdrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:03
CPC Classifications
B; B29; B29B; B29B17/00; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/36; B29C48/50; B29C48/505; B29C48/507; B29C48/51; B29C48/515; B29C48/78; B29C48/80; B29C48/83; B29C48/832; B29C48/834; B29C48/84; B29C48/85; B29C48/86; B29C48/875; B29C48/88; B29C48/919; B29C48/09; B29K; B29K2021/00; B29L; B29L2022/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |