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US3485915A Expired / Lapsed US ⏱️ 0.0 years remaining

Thickened hydroxypropyl cellulose compositions

Assignee: Revlon Inc
•
Filing: 1966-04-22
•
Granted: 1969-12-23
•
Expires: 1986-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Terry Gerstein
  • 👤 William Perlberg
  • 👤 Milton H Schwarz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:21
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/8141; A61K8/8147; A61Q5/00; A61Q5/06; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5422; A61K2800/5424; A61K2800/59; A61K2800/594; A61Q17/00; A61Q17/04; A61Q19/002; A61Q5/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2798053A Cited
US2810659A Cited
US2840485A Cited
US2923692A Cited
FR1268461A Cited
FR1343194A Cited
US3210251A Cited
US3427382A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-22 1973-06-23 1973-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-22 1977-06-23 1977-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-22 1981-06-23 1981-12-23 $7700.00 Window Closed / Lapsed

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