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US2611931A Expired / Lapsed US ⏱️ 0.0 years remaining

Arrangement for producing a spun short-fiber yarn

Assignee: Joh Jacob Rieter und Cie AG
•
Filing: 1948-01-14
•
Granted: 1952-09-30
•
Expires: 1968-01-14
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Abstract

No abstract record available.

Inventors

  • 👤 Wildbolz Rudolf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:30
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1407555A Cited
US1722006A Cited
US1883384A Cited
US2003400A Cited
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US2523854A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-30 1956-03-31 1956-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-30 1960-03-31 1960-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-30 1964-03-31 1964-09-30 $7700.00 Window Closed / Lapsed

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