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US3271818A Expired / Lapsed US ⏱️ 0.0 years remaining

Quenching apparatus

Assignee: EIDP Inc
•
Filing: 1965-03-17
•
Granted: 1966-09-13
•
Expires: 1985-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Bryan James Clarence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:48
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 38 words
IN AN APPARATUS FOR THE DRY SPINNING OF FILAMENTS, COMPRISING A SPINNERET ASSEMBLY HAVING APLURALITY OF FILAMENT-PRODUCING ORIFICES ARRANGED IN A GENERALLY CIRCULAR PATTERN, WALL MEANS ENCIRCLING SAID SPINNERET ASSEMBLY AND POSITIONED COAXIALLY THEREOF TO DEFINE A SPINNING
Claim 2
Dependent Claim 38 words
IN AN APPARATUS FOR THE DRY SPINNING OF FILAMENTS, COMPRISING A SPINNERET ASSEMBLY HAVING APLURALITY OF FILAMENT-PRODUCING ORIFICES ARRANGED IN A GENERALLY CIRCULAR PATTERN, WALL MEANS ENCIRCLING SAID SPINNERET ASSEMBLY AND POSITIONED COAXIALLY THEREOF TO DEFINE A SPINNING

References Cited (Backward Citations)

US2131810A Cited
US2763891A Cited
US3111368A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

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