US3709773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass reinforced injection molding pellet
Assignee: Zeneca Inc
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Filing: 1970-10-27
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Granted: 1973-01-09
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Expires: 1990-10-27
Abstract
Abstract PROCESS FOR PRODUCTION OF MOLDING COMPOSITIONS CONTAINING HIGH WEIGHT PERCENTAGE OF GLASS COMPRISING FEEDING AN EXTRUDED MIXTURE OF GLASS FIBERS AND MOLTEN THERMOPLASTIC RESIN TO A CROSS-HEAD DIE, COATING CONTINUOUS GLASS ROVING WITH SAID MIXTURE IN SAID CROSS-HEAD DIE, SOLIDIFYING SAID MOLTEN THERMOPLASTIC WHILE SAID THERMOPLASTIC IS COATED ON SAID ROVING, AND PELLETIZING THE SAME INTO PELLETS CONTAINING BETWEEN ABOUT 61 TO 90 WEIGHT PERCENT GLASS. THE MOLDING COMPOSITION IS IN THE FORM OF SUCH PELLETS WHICH GENERALLY COMPRISE RIGHT CYLINDERS HAVING A DIAMETER OF BETWEEN 3/32 AND 1/4 INCH AND A HEIGHT OF BETWEEN 1/8 TO 1/2 INCH.
Inventors
- 👤 N Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/12; B29B9/14; B29C; B29C48/00; B29C48/15; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C48/03; B29C48/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |