US3764452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass fiber reinforced elastomers
Assignee: Owens Corning
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Filing: 1971-12-13
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Granted: 1973-10-09
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Expires: 1991-12-13
Abstract
Abstract THE IMPROVEMENT IN THE BONDING RELATIONSHIP BETWEEN GLASS FIBERS AND ELASTOMERIC MATERIALS IN THE MANUFACTURE OF GLASS FIBER-REINFORCED ELASTOMERIC PRODUCTS WHEREIN BUNDLES OF GLASS FIBERS ARE FIRST COATED WITH AN ELASTOMER COMPATIBLE MATERIAL AND THEN ARE COATED WITH A CELLULOSE XANTHATE WHICH PREVENTS THE ELASTOMER COMPATIBLE MATERIAL FROM BEING DISLODGED FROM THE GLASS FIBER SURFACE, WHICH CAN EITHER BE REMOVED OR CHEMICALLY MODIFIED TO AID IN THE INTEGRATION OF THE GLASS FIBER BUNDLER WITH THE ELASTOMERIC MATERIAL WITH WHICH IT IS COMBINED.
Inventors
- 👤 A Marzochi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08; B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/122; B29B15/125; B29K; B29K2021/00; B29K2105/00; B29K2105/06; B29K2309/00; B29K2309/08; Y; Y10; Y10S; Y10S273/00; Y10S273/07; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2951
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 |