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US2628405A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for treating yarn

Assignee: Specialties Development Corp
•
Filing: 1948-08-27
•
Granted: 1953-02-17
•
Expires: 1968-08-27
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Abstract

No abstract record available.

Inventors

  • 👤 Edward A Wentz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:46
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226; D06; D06C; D06C29/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2040105A Cited
US2077492A Cited
US2142717A Cited
US2304206A Cited
US2306660A Cited
US2365068A Cited
US2389878A Cited
US2464536A Cited
US2464502A Cited
US2474927A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-02-17 1956-08-18 1957-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-02-17 1960-08-18 1961-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-02-17 1964-08-18 1965-02-17 $7700.00 Window Closed / Lapsed

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