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US2555277A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition for shrinkproofing and mothproofing woolen textiles

Assignee: Wyeth Holdings LLC
•
Filing: 1945-08-13
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Granted: 1951-05-29
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Expires: 1965-08-13
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Abstract

No abstract record available.

Inventors

  • 👤 George L Royer
  • 👤 Chester A Amick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 15:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; A01N59/00; A01N59/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1634791A Cited
US2197357A Cited
USRE22566E Cited
US2426770A Cited
US2388143A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-28 1954-11-27 1955-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-28 1958-11-27 1959-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-28 1962-11-27 1963-05-29 $7700.00 Window Closed / Lapsed

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