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US2240135A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of forming and impregnating fibrous pads

Assignee: BRILLO Manufacturing CO Inc
•
Filing: 1938-12-27
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Granted: 1941-04-29
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Expires: 1958-12-27
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Abstract

No abstract record available.

Inventors

  • 👤 Field Crosby
  • 👤 Toole Gerald Crandall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:33
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/049; A; A47; A47L; A47L13/00; A47L13/02; A47L13/03; Y; Y10; Y10T; Y10T29/00; Y10T29/14; Y10T29/147; Y10T29/148; Y10T29/51; Y10T29/5197

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1944-04-28 1944-10-28 1945-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1948-04-28 1948-10-28 1949-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1952-04-28 1952-10-28 1953-04-29 $7700.00 Window Closed / Lapsed

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