Patent US2665568A successfully refreshed from Google Patents.
US2665568A
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US
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Method of and apparatus for cooling and drying rubber
Assignee: Tenneco Automotive Inc
•
Filing: 1949-10-07
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Granted: 1954-01-12
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Expires: 1969-10-07
Abstract
No abstract record available.
Inventors
- 👤 Robert R Meyer
- 👤 Harold E Lietaert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:03
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/06; B29K; B29K2021/00
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |