US3354508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charging fitting for plastic molding apparatus
Assignee: Hoedra Inc
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Filing: 1965-07-09
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Granted: 1967-11-28
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Draben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:18
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A CHARGING FITTING FOR USE WITH PLASTIC MOLDING EQUIPMENT TO RETAIN THE MOLD CHARGE CAPTIVE UNTIL THE SAME TAKES A SET, SAID CHARGING FITTING COMPRISING A MAIN BODY HAVING A LONG FLARING PASSAGE AND FROMED AT THE LARGER DISCHARGE END THEREOF WITH MEANS FOR HOLDING THE SAME DETACHABLY ASSEMBLED TO THE CHARGING OPENING OF A MOLD ASSEMBLY, NORMALLY-CLOSED FLEXIBLE VALUE MEANS MOUNTED ACROSS THE OUTER INLET END OF SAID PASSAGE AND ADAPTED TO BE HELD OPEN BY THE DISCHARGE END OF MEANS FOR CHARGING UNCURED FLUENT PLASTIC INTO THE MOLD ASSEMBLY, SAID NORMALLY CLOSED VALVE OPERATING AUTOMATICALLY TO CLOSE AS SAID CHARGING MEANS IS WITHDRAWN AND BEING EFFECTIVE TO HOLD THE CHARGE CAPTIVE WHILE TAKING A SET.
Claim 2
Dependent Claim
117 words
A CHARGING FITTING FOR USE WITH PLASTIC MOLDING EQUIPMENT TO RETAIN THE MOLD CHARGE CAPTIVE UNTIL THE SAME TAKES A SET, SAID CHARGING FITTING COMPRISING A MAIN BODY HAVING A LONG FLARING PASSAGE AND FROMED AT THE LARGER DISCHARGE END THEREOF WITH MEANS FOR HOLDING THE SAME DETACHABLY ASSEMBLED TO THE CHARGING OPENING OF A MOLD ASSEMBLY, NORMALLY-CLOSED FLEXIBLE VALUE MEANS MOUNTED ACROSS THE OUTER INLET END OF SAID PASSAGE AND ADAPTED TO BE HELD OPEN BY THE DISCHARGE END OF MEANS FOR CHARGING UNCURED FLUENT PLASTIC INTO THE MOLD ASSEMBLY, SAID NORMALLY CLOSED VALVE OPERATING AUTOMATICALLY TO CLOSE AS SAID CHARGING MEANS IS WITHDRAWN AND BEING EFFECTIVE TO HOLD THE CHARGE CAPTIVE WHILE TAKING A SET.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |