US3190107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion die
Assignee: Extrusion Dies Inc
•
Filing: 1962-12-13
•
Granted: 1965-06-22
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Slifka
- 👤 Peter N Vonu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:41
CPC Classifications
B; B21; B21C; B21C25/00; B21C25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN EXTRUSION DIE COMPRISING A SINGLE PIECE STRUCTURE HAVING A DOWNSTREAM DELIVERY END PORTION WITH A CROSSSHAPED REARWARDLY OR UPSTREAM EXTENDING PORTION INCLUDING A SOLID AXIAL SECTION, AT LEAST ONE SHAPED EXTRUSION OPENING SUBSTANTIALLY PERPENDICULAR TO SAID FLAT FACE PORTION AND EXTENDING INWARDLY THEREFROM AND AT LEAST ONE INTERNAL PASSAGEWAY IN SAID CROSS-SHAPED REARWARDLY EXTENDING PORTION ESTABLISHING COMMUNICATION BETWEEN THE INNER END OF SAID EXTRUSION OPENING AND THE SIDES OF SAID CROSS-SHAPED REARWARDLY EXTENDING PORTION.
Claim 2
Dependent Claim
75 words
AN EXTRUSION DIE COMPRISING A SINGLE PIECE STRUCTURE HAVING A DOWNSTREAM DELIVERY END PORTION WITH A CROSSSHAPED REARWARDLY OR UPSTREAM EXTENDING PORTION INCLUDING A SOLID AXIAL SECTION, AT LEAST ONE SHAPED EXTRUSION OPENING SUBSTANTIALLY PERPENDICULAR TO SAID FLAT FACE PORTION AND EXTENDING INWARDLY THEREFROM AND AT LEAST ONE INTERNAL PASSAGEWAY IN SAID CROSS-SHAPED REARWARDLY EXTENDING PORTION ESTABLISHING COMMUNICATION BETWEEN THE INNER END OF SAID EXTRUSION OPENING AND THE SIDES OF SAID CROSS-SHAPED REARWARDLY EXTENDING PORTION.
References Cited (Backward Citations)
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US572546A
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US2899054A
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GB190906612A
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US2973092A
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US3063560A
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |