Patent US2593786A successfully refreshed from Google Patents.
US2593786A
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US
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Regenerated cellulose pellets
Assignee: Olin Industries Inc
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Filing: 1949-08-13
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Granted: 1952-04-22
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Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Jr John J O'neill
- 👤 Emerald P Reichardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:49
CPC Classifications
B; B29; B29B; B29B9/00; B01; B01J; B01J2/00; C; C08; C08L; C08L1/00; C08L1/02; C08L1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |