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US3387327A Expired / Lapsed US ⏱️ 0.0 years remaining

Filament spinning apparatus

Assignee: Monsanto Co
•
Filing: 1966-06-09
•
Granted: 1968-06-11
•
Expires: 1986-06-09
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Wilbur J Privott
  • 👤 Rodney M Chapman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:30
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D4/00; D01D4/02; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE536574C Cited
US2149425A Cited
US3014237A Cited
US3117906A Cited
US3161914A Cited
GB970844A Cited
US3192563A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-06-11 1971-12-11 1972-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-06-11 1975-12-11 1976-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-06-11 1979-12-11 1980-06-11 $7700.00 Window Closed / Lapsed

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