US3451887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of cellulose acetate and polyolefin fibers in tow form
Assignee: Eastman Kodak Co
•
Filing: 1963-03-22
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Granted: 1969-06-24
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 George P Touey
- 👤 Robert C Mumpower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:55
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3039908A
Cited
GB757841A
Cited
US2988088A
Cited
US2979058A
Cited
US2966157A
Cited
US3044914A
Cited
US3033212A
Cited
US3050821A
Cited
US3144025A
Cited
US3050822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |