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US2854814A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the production of bulk yarn

Assignee: Industrial Rayon Corp
•
Filing: 1955-12-27
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Granted: 1958-10-07
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Expires: 1975-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Alden H Burkholder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:46
CPC Classifications
D; D02; D02G; D02G1/00; B; B65; B65H; B65H51/00; B65H51/20; B65H51/22; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0454; D01D7/00; B65H2701/00; B65H2701/30; B65H2701/31

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2247389A Cited
US2231851A Cited
US2369481A Cited
FR855758A Cited
US2475922A Cited
US2609588A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-06 1962-04-07 1962-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-06 1966-04-07 1966-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-06 1970-04-07 1970-10-07 $7700.00 Window Closed / Lapsed

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