US3555619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for pressure injected molten material having cavity with peripheral vent
Assignee: Individual
•
Filing: 1967-10-17
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Granted: 1971-01-19
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Expires: 1987-10-17
Abstract
Abstract A SEPARABLE MOLD FOR PRESSURE INJECTED MOLTEN MATERIAL CHARACTERIZED BY THE FACT THAT THE MEETING FACES OF THE MOLD HALVES ADJACENT TO THE PRIPHERY THEREOF ARE UNINTERRUPTED AND BY THE FACT THAT EACH CAVITY IN THE MOLD IS SEPARATELY VENTED BY MEANS INCLUDING A GROOVE IN COMMUNICATION WITH ATMOSPHERE WHICH SUBSTANTIALLY PERIPHERALLY SURROUNDS THE CAVITY AND IS CONNECTED TO THE CAVITY BY A LONGITUDINALLY CO-EXTENSIVE NARROW SPACE BETWEEN THE GROOVE AND THE CAVITY OF SUCH LIMITED DEPTH THAT ONLY THE AIR AND GAS DISPLACED BY THE ENTERING MATERIAL CAN FLOW FROM THE CAVITY INTO THE GROOVE AND THENCE TO ATMOSPHERE.
Inventors
- 👤 Harry R Bucy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:57
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/34; B22; B22D; B22D17/00; B22D17/14
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |