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US3362793A
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Back flow-preventing reactor for continuous polymerization
Assignee: Compagnie Generale des Etablissements Michelin SCA
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Filing: 1964-06-17
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Granted: 1968-01-09
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Expires: 1984-06-17
Abstract
No abstract record available.
Inventors
- 👤 Massoubre Jean-Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:13
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01F; B01F27/00; B01F27/80; B01F27/94; B01F27/95; B01F27/951; C; C08; C08F; C08F36/00; B01F27/23; B01F27/232; B01F27/2324; B01J2219/00; B01J2219/18; B01J2219/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238864A
Cited
US3215506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |