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US1809082A Expired / Lapsed US ⏱️ 0.0 years remaining

Product for treating the skin

Assignee: Epstein & Harris
•
Filing: 1927-05-04
•
Granted: 1931-06-09
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Expires: 1947-05-04
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Abstract

No abstract record available.

Inventors

  • 👤 Urkov Joseph
  • 👤 Benjamin R Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:53
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/92; A61K8/922; A61K8/02; A61K8/0212; A61K8/19; A61K8/27; A61Q; A61Q19/00

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) 1934-06-08 1934-12-08 1935-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-06-08 1938-12-08 1939-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-06-08 1942-12-08 1943-06-09 $7700.00 Window Closed / Lapsed

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