US3527860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing fibers
Assignee: Eastman Kodak Co
•
Filing: 1967-09-26
•
Granted: 1970-09-08
•
Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Marshall T Watson
- 👤 Lionel E Wooten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:23
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/40; D; D01; D01F; D01F6/00; D01F6/58; D01F6/60; D01F6/78; D01F6/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2130948A
Cited
US2916475A
Cited
US2939862A
Cited
US3379809A
Cited
US3150435A
Cited
US3251181A
Cited
US3321448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |