US3669592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machines
Assignee: G W PLASTIC ENG Inc
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Filing: 1970-04-28
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Granted: 1972-06-13
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Expires: 1990-04-28
Abstract
Abstract MECHANISM IS PROVIDED FOR REMOVING THE RUNNER AND SPRUE ASSEMBLY FROM THE MOLD TO A POINT OF DISPOSAL APART FROM THE WORK, IN TIMED RELATION TO THE MOLDING CYCLE, PREFERABLY IN A UNITARY COMBINATION WITH A KNOCKOFF DEVICE CARRIED WITH SUCH MECHANISM ON A COMMON TRAVERSABLE SUPPORT, AND PARTICULARLY, BUT NOT EXCLUSIVELY, ADAPTED FOR OPERATION WITH SUBMARINE GATED OR BACK GATED MOLDS.
Inventors
- 👤 Manuel S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:36
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/42; B29C45/1759
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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |