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US3095606A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for producing cold drawn monofilaments

Assignee: Phillips Petroleum Co
•
Filing: 1961-03-20
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Granted: 1963-07-02
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Expires: 1981-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Jr John N Scott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:12
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 121 words
IN AN APPARATUS FOR PRODUCING A PLURALITY OF COLD DRAWN THERMOPLASTIC FILAMENTS SIMULTANEOUSLY WHICH COMPRISES, IN COMBINATION, AN EXTRUDER HAVING A DIE TO FORM SAID FILAMENTS, QUENCHING MEANS FOR COOLING THE EXTRUDED FILAMENTS, FIRST ROLLR MEANS FOR REMOVING QUENCHED FILAMENTS FROM THE BATH, SECOND ROLLER MEANS FOR DRAWING SAID, FILAMENTS FROM SAID FIRST ROLLER THROUGH A DRAWING MEANS, MEANS FOR STORING SAID DRAWN FILAMENTS, AND A GROOVED, STATIONARY, AND CYLINDERICAL DRAWING MEANS DISPOSED BETWEEN SAID FIRST AND SECOND ROLLER MEANS SO POSITIONED AS TO APPLY SIMULTANEOUS STRETCH TO EACH FILAMENT DRAWN THROUGH SEPARATE GROOVES ON SAID DRAWING MEANS, SAID DRAWING MEANS COMPRISING AN INTERNALLY HEATED CYLINDER HAVING ON THE OUTER PERIPHERIAL SURFACE THEREOF A PLURALITY OF CIRCUMFERENTIALLY SPACED, PARALLEL TAPERED GROOVES

References Cited (Backward Citations)

US2291873A Cited
US2294630A Cited
US2673546A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-01 1966-12-31 1967-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-01 1970-12-31 1971-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-01 1974-12-31 1975-07-02 $7700.00 Window Closed / Lapsed

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