Patent US855106A successfully refreshed from Google Patents.
Patent US2399653A successfully refreshed from Google Patents.
US2399653A
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Hydrolyzed polymers
Assignee: EIDP Inc
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Filing: 1945-02-13
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Granted: 1946-05-07
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Expires: 1965-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:08
CPC Classifications
C; C08; C08F; C08F10/00; C08F8/00; C08F8/12; C08F2810/00; C08F2810/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-06 | 1949-11-05 | 1950-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-06 | 1953-11-05 | 1954-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-06 | 1957-11-05 | 1958-05-07 | $7700.00 | Window Closed / Lapsed |