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US3467541A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for moisturizing web material

Assignee: Svenska Flaktfabriken AB
•
Filing: 1966-06-15
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Granted: 1969-09-16
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Expires: 1986-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Arent Aronsson
  • 👤 Erik Tornqvist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 15:53
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/50; B; B05; B05B; B05B5/00; B05B5/025; B05B5/03; B05B5/08; B05B5/14; B05B5/16; B31; B31F; B31F1/00; B31F1/36; D06; D06B; D06B1/00; D06B1/02; D21H5/00; D21H5/0005; D21H5/0047

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2191827A Cited
US2302289A Cited
DE963117C Cited
US2919706A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-15 1973-03-17 1973-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-15 1977-03-17 1977-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-15 1981-03-17 1981-09-16 $7700.00 Window Closed / Lapsed

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