US3565669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving the permanent shrinkage properties of regenerated cellulose film
Assignee: Shawmut Capital Corp
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Filing: 1968-02-13
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Granted: 1971-02-23
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Expires: 1988-02-13
Abstract
Abstract A PROCESS FOR IMPROVING THE PERMANENT SHRINKAGE AND DURABILITY PROPERTIES OF COATED REGENERATED CELLULOSE FILM WHICH COMPRISES SIMULTANEOUSLY HUMIDIGYING AND SHRINKING THE COATED REGENERATED CELLULOSE FILM IN AN OPERATION SUBSEQUENT TO THE APPLICATION OF THE COATING ONTO THE WEB.
Inventors
- 👤 Daniel E Mcdermott
- 👤 James P Janosik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:38
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B05D7/04; B29; B29D; B29D7/00; B05D1/00; B05D1/18; B05D2252/00; B05D2252/02; B05D3/00; B05D3/04; B05D3/0406; B05D3/0413; B29C; B29C71/00
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |