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US2551920A Expired / Lapsed US ⏱️ 0.0 years remaining

Tension apparatus for loom warp yarns

Assignee: Individual
•
Filing: 1949-07-18
•
Granted: 1951-05-08
•
Expires: 1969-07-18
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas J Wills
  • 👤 William A Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 06:46
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US572746A Cited
US681373A Cited
GB190306610A Cited
US742813A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-07 1954-11-06 1955-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-07 1958-11-06 1959-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-07 1962-11-06 1963-05-08 $7700.00 Window Closed / Lapsed

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