US3560324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexwood laminates comprising a layer of thermoplastic resin-cellulose fiber particle mixture and a layer of cellulosic fiber
Assignee: Millennium Petrochemicals Inc
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Filing: 1966-11-23
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Granted: 1971-02-02
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Expires: 1986-11-23
Abstract
Abstract HIGH STRENGTH WATER RESISTANT LAMINATES ARE PREPARED BY PRESSING TOGETHER ONE OR MORE SHEETS OF CELLULOSE FIBER MATERIAL AND SHEETS COMPRISING 25% TO 75% OF A THERMOPLASTIC RESIN AND FROM 75% TO 25% OF A CELLULOSE FIBER FILLER.
Inventors
- 👤 John J Quackenbush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:19
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/045; B; B32; B32B; B32B21/00; B32B21/04; B32B21/08; C08L; C08L97/00; C08L97/005; C08L97/02; C08J2323/00; C08J2323/02; C08J2323/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |