Patent US3169271A successfully refreshed from Google Patents.
US3169271A
Expired / Lapsed
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Apparatus for quenching extruded spinneret filaments
Assignee: EIDP Inc
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Filing: 1963-09-13
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Granted: 1965-02-16
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Musser John Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01D5/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
APPARATUS FOR THE CROSS-FLOW QUENCHING OF FRESHLYSPUN FILAMENTS COMPRISING A VERTICAL ELONGATED CHAMBER, SAID CHAMBER BEING DEFINED BY A HORIZONTAL TOP WALL PROVIDED WITH AN OPENING THROUGH WHICH THE FILAMENTS PASS IN DESCENDING THROUGH SAID CHAMBER, A BACK WALL WITH AN OPENING AN FORAMINOUS PARTITION FOR INTRODUCING A QUENCHING MEDIUM INTO SAID CHAMBER, AND TWO LATERALLY MOVABLE SIDE PANELS EACH COOPERATIVELY JOINED TO THE
Claim 2
Dependent Claim
64 words
APPARATUS FOR THE CROSS-FLOW QUENCHING OF FRESHLYSPUN FILAMENTS COMPRISING A VERTICAL ELONGATED CHAMBER, SAID CHAMBER BEING DEFINED BY A HORIZONTAL TOP WALL PROVIDED WITH AN OPENING THROUGH WHICH THE FILAMENTS PASS IN DESCENDING THROUGH SAID CHAMBER, A BACK WALL WITH AN OPENING AN FORAMINOUS PARTITION FOR INTRODUCING A QUENCHING MEDIUM INTO SAID CHAMBER, AND TWO LATERALLY MOVABLE SIDE PANELS EACH COOPERATIVELY JOINED TO THE
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |