USRE28144E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding nozzle with flow-control mechanism
Assignee: —
•
Filing: 1972-12-11
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Granted: 1974-09-03
•
Expires: 1992-12-11
Abstract
Abstract A MANIFOLD AND NOZZLE ASSEMBLY WITHIN INJECTION MOLDING EQUIPMENT WHICH WILL NORMALLY COMPRISE AN EXTRUDER, AN ACCUMULATOR, A MANIFOLD, AND A PLURALITY OF NOZZLES PROJECTING THROUGH THE MANIFOLD. THE INVENTION IS ESPECIALLY DIRECTED TO FLOW-CONTROL VALVE MECHANISM WITHIN EACH NOZZLE IN ADDITION TO SHUTOFF VALVE MECHANISM.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:27
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20
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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |