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US2664009A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid treating apparatus for strands

Assignee: Solutia Inc
•
Filing: 1951-02-15
•
Granted: 1953-12-29
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Expires: 1971-02-15
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Abstract

No abstract record available.

Inventors

  • 👤 Paul D Emerson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:03
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0481; Y; Y10; Y10S; Y10S264/00; Y10S264/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2568920A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-12-28 1957-06-29 1957-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-12-28 1961-06-29 1961-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-12-28 1965-06-29 1965-12-29 $7700.00 Window Closed / Lapsed

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