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US1447367A Expired / Lapsed US ⏱️ 0.0 years remaining

Sanitary napkin supporter

Assignee: Individual
•
Filing: 1922-06-17
•
Granted: 1923-03-06
•
Expires: 1942-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Cora B Williams
  • 👤 Sarah F Barker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:12
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/64

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1926-03-05 1926-09-04 1927-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1930-03-05 1930-09-04 1931-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1934-03-05 1934-09-04 1935-03-06 $7700.00 Window Closed / Lapsed

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