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US3497380A Expired / Lapsed US ⏱️ 0.0 years remaining

Oil absorbent,oil resistant impregnated paper

Assignee: Kimberly Clark Corp
•
Filing: 1966-11-22
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Granted: 1970-02-24
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Expires: 1986-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Weber

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:54
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/42; D21H17/43

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2824851A Cited
GB788381A Cited
US2791520A Cited
US3055496A Cited
US2947338A Cited
US3011882A Cited
US3026217A Cited
US3019134A Cited
US3027337A Cited
US3309224A Cited
US3308007A Cited
US3345204A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-23 1973-08-25 1974-02-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-23 1977-08-25 1978-02-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-23 1981-08-25 1982-02-24 $7700.00 Window Closed / Lapsed

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