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US2621080A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing bent bristle brushes

Assignee: HARRY G LIESE
•
Filing: 1948-01-15
•
Granted: 1952-12-09
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Expires: 1968-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 William H Howe
  • 👤 Harold W Reed

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 18:34
CPC Classifications
A; A46; A46D; A46D3/00; Y; Y10; Y10S; Y10S425/00; Y10S425/803; Y10S425/805

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1948605A Cited
US1953980A Cited
GB410070A Cited
US2055321A Cited
US2055322A Cited
US2240388A Cited
US2226529A Cited
US2157118A Cited
US2419864A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-12-09 1956-06-09 1956-12-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-12-09 1960-06-09 1960-12-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-12-09 1964-06-09 1964-12-09 $7700.00 Window Closed / Lapsed

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