US3817898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sizing composition and glass fibers treated therewith
Assignee: Owens Corning
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Filing: 1973-04-09
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Granted: 1974-06-18
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Expires: 1993-04-09
Abstract
Abstract A SIZING FOR GLASS FIBERS, COMPRISING WATER SOLUBLE EPOXY RESIN, AN ORGANOSILANE, POLYVINYL ACETATE COPOLYMER AND A LUBRICANT IS PROVIDED, WHEREBY THE SIZED GLASS FIBERS IN THE FORM OF STRANDS, POSSESS EXCELLENT INTEGRITY.
Inventors
- 👤 J Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
C; C08; C08L; C08L71/00; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; C08J5/24; C08J5/248; C08L63/00; C08G; C08G2650/00; C08G2650/28; C08G2650/56
Claims Analysis
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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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |