Patent US3048218A successfully refreshed from Google Patents.
US3048218A
Expired / Lapsed
US
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Drum drier for evaporating solvent from a solution of unvulcanized rubber
Assignee: Rubber & Fibre Chemical Corp
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Filing: 1958-09-23
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Granted: 1962-08-07
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Expires: 1978-09-23
Abstract
No abstract record available.
Inventors
- 👤 Gunther Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:24
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; F; F26; F26B; F26B17/00; F26B17/28; F26B17/284; F26B25/00; F26B25/005; F26B25/006; F26B25/008; B29B2017/0213; B29B2017/0293; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2105/12; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |