US3217358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat die device for molding plastic members
Assignee: Individual
•
Filing: 1964-08-19
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Granted: 1965-11-16
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Kihara Eigo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:40
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/305; B29C48/31; B29C48/313; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A FLAT DIE EXTRUSION MOLD OF THE CLASS DESCRIBED WHICH COMPRISES A DIE BODY HAVING WALLS DEFINING A LONGITUDINAL MAIN SPACE OR DISTRIBUTION CHANNEL OF CIRCULAR CROSS-SECTION HAVING ONE OPEN END AND ONE CLOSED END, SAID DIE BODY BEING ADAPTED FOR OPERATIVE END-FEED MOUNTING WITH THE OPEN END DISPOSED ADJACENT TO AND FOR COMMUNICATION WITH A DISCHARGE OPENING OF A FEED EXTRUDER; SAID DIE BODY HAVING AN ELONGATED DISCHARGE OPENING OR SLIT IN OPERATIVE COMMUNICATION WITH SAID DISTRIBUTION CHANNEL THROUGHOUT THE LENGTH OF SAID DIE BODY; A FEED SCREW MEMBER HAVING A UNIFORM MAJOR DIAMETER ROTATABLY DISPOSED WITHIN SAID DISTRIBUTION CHANNEL AND HAVING ONE END EXTENDING THROUGH THE CLOSED END OF SAID DIE BODY, DRIVE MEANS OPERATIVELY CONNECTED TO SAID LATTER END, SAID FEED SREW MEMBER BEING PROGRESSIVELY INCREASED IN MINOR OR ROOT DIAMETER
Claim 2
Dependent Claim
134 words
A FLAT DIE EXTRUSION MOLD OF THE CLASS DESCRIBED WHICH COMPRISES A DIE BODY HAVING WALLS DEFINING A LONGITUDINAL MAIN SPACE OR DISTRIBUTION CHANNEL OF CIRCULAR CROSS-SECTION HAVING ONE OPEN END AND ONE CLOSED END, SAID DIE BODY BEING ADAPTED FOR OPERATIVE END-FEED MOUNTING WITH THE OPEN END DISPOSED ADJACENT TO AND FOR COMMUNICATION WITH A DISCHARGE OPENING OF A FEED EXTRUDER; SAID DIE BODY HAVING AN ELONGATED DISCHARGE OPENING OR SLIT IN OPERATIVE COMMUNICATION WITH SAID DISTRIBUTION CHANNEL THROUGHOUT THE LENGTH OF SAID DIE BODY; A FEED SCREW MEMBER HAVING A UNIFORM MAJOR DIAMETER ROTATABLY DISPOSED WITHIN SAID DISTRIBUTION CHANNEL AND HAVING ONE END EXTENDING THROUGH THE CLOSED END OF SAID DIE BODY, DRIVE MEANS OPERATIVELY CONNECTED TO SAID LATTER END, SAID FEED SREW MEMBER BEING PROGRESSIVELY INCREASED IN MINOR OR ROOT DIAMETER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |