US3425993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing and processing viscous materials such as polymers
Assignee: Eastman Kodak Co
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Filing: 1962-08-16
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Granted: 1969-02-04
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 Edmond S Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/051; B01F27/054; B01F27/0543; B01F27/09; B01F27/091; B01F27/50; B01F27/80; B01F27/87; B01J; B01J10/00; B01J10/02; B01J19/00; B01J19/18; B01J19/20; C; C08; C08G; C08G63/00; C08G63/78; C08G63/785; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00168; B01J2219/18; B01J2219/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2395079A
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US2539699A
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US2504488A
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US2758105A
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US2904534A
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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) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |