Patent US4828242A successfully refreshed from Google Patents.
US3740263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of manufactured articles
Assignee: Gulf Research and Development Co
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Filing: 1971-08-12
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Granted: 1973-06-19
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Expires: 1991-08-12
Abstract
Abstract POLYMER-COATED GLASS FIBERS BEARING A COATING OF AN ETHYLENE-ACRYLIC ACID COPOLYMER ARE PREPARED BY PASSING HEATED GLASS FIBERS THROUGH A FRESHLY-PREPARED AQUEOUS DISPERSION OF AN AMMONIUM SALT OF AN ETHYLENE-ACRYLIC ACID COPOLYMER. THE COATED GLASS FIBERS THUS PREPARED ARE USEFUL AS A REINFORCING AGENT FOR THERMOPLASTIC MOLDING RESINS.
Inventors
- 👤 R Kochhar
- 👤 J Jones
- 👤 R Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:42
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/2964
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |