US3764374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for placing modifiers within polyester fibers and films
Assignee: Eastman Kodak Co
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Filing: 1970-07-21
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Granted: 1973-10-09
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Expires: 1990-07-21
Abstract
Abstract A PROCESS FOR PLACING MODIFIERS WITHIN A POLYESTER FIBER OR FILM COMPRISING: (A) APPLYING A MODIFIERS WITHIN A POLYESTER FIBER FIBER OR FILM, AND (B) HEATING THE FIBER OR FILM IN A ZONE HAVING A VOLUME LESS THAN ABOUT 150 TIMES THE VOLUME OF THE FIBER OR FILM.
Inventors
- 👤 K Barton
- 👤 J Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:10
CPC Classifications
D; D01; D01F; D01F11/00; D01F11/04; D01F11/08; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |