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US3401004A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for the dyeing of synthetic polyamide fibers

Assignee: Novartis AG
•
Filing: 1964-06-08
•
Granted: 1968-09-10
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Expires: 1984-06-08
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Abstract

No abstract record available.

Inventors

  • 👤 Horst Krumme
  • 👤 Hans-Helmut Schoor
  • 👤 Guenter Jakob

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 05:18
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/245; D06P1/00; D06P1/44; D06P1/60; D06P3/241; Y; Y10; Y10S; Y10S8/00; Y10S8/907; Y10S8/92; Y10S8/924

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3049392A Cited
GB824459A Cited
US3104931A Cited
US3307901A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-09-10 1972-03-11 1972-09-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-09-10 1976-03-11 1976-09-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-09-10 1980-03-11 1980-09-10 $7700.00 Window Closed / Lapsed

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