US3409705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing biphase plastics
Assignee: Eastman Kodak Co
•
Filing: 1963-12-04
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Granted: 1968-11-05
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Donald J Shields
- 👤 James M Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:01
CPC Classifications
C; C08; C08F; C08F279/00; C08F279/02; Y; Y10; Y10S; Y10S525/00; Y10S525/942
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |