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US2688163A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for making tampons

Assignee: International Cellucotton Products Co
•
Filing: 1948-04-16
•
Granted: 1954-09-07
•
Expires: 1968-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 William H Burger
  • 👤 Howard A Collins
  • 👤 Howard M Ruth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:13
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082; A61F13/2085

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US511749A Cited
US1408586A Cited
US2055412A Cited
US2094086A Cited
US2296931A Cited
US2292231A Cited
US2336744A Cited
US2385873A Cited
US2566190A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-09-06 1958-03-08 1958-09-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-09-06 1962-03-08 1962-09-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-09-06 1966-03-08 1966-09-07 $7700.00 Window Closed / Lapsed

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