US3728146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber reinforced elastomers
Assignee: Owens Corning
•
Filing: 1971-03-22
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Granted: 1973-04-17
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Expires: 1991-03-22
Abstract
Abstract GLASS FIBERS FOR USE INN GLASS FIBER-REINFORCED ELASTOMERIC MATERIALS AND METHODS FOR PREPARING SAME WHEREIN A GLASS FIBER BUNDLE IS FIRST IMPREGNATED WITH AN ELASTOMER OR RESINOUS POLYMERR AND THEN IS COATED WITH AN ELASTOMER COMPATIBLE MATERIAL FOR FORMING AN IMPREGNATED GLASS FIBER BUNDLE HAVING AN INNER COATING COMPRISING AN ELASTOMER OR RESINOUS POLYMER AND AN OUTER COATING OF THE ELASTOMER COMPATIBLE MATERIAL.
Inventors
- 👤 A Marzocchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:53
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/27; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964; Y10T428/31504; Y10T428/31826; Y10T428/31833
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |