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US3523998A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of wrinkle smoothing

Assignee: Bayer Consumer Care Holdings LLC
•
Filing: 1967-10-24
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Granted: 1970-08-11
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Expires: 1987-10-24
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Abstract

No abstract record available.

Inventors

  • 👤 Wolffe Harry Feinstone
  • 👤 Archie Scott Black

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:14
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/08; A61K; A61K8/00; A61K8/02; A61K8/0212; A61K8/18; A61K8/72; A61K8/81; A61K8/817

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3341319A Cited
US3227616A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-08-10 1974-02-09 1974-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-08-10 1978-02-09 1978-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-08-10 1982-02-09 1982-08-11 $7700.00 Window Closed / Lapsed

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