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US3530215A Expired / Lapsed US ⏱️ 0.0 years remaining

Conditioning hair with quaternized homopolymers

Assignee: Revlon Inc
•
Filing: 1966-07-28
•
Granted: 1970-09-22
•
Expires: 1986-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Norman L Greif
  • 👤 Sheldon Levy
  • 👤 William Perlberg
  • 👤 Milton H Schwarz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:59
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/73; A61K8/731; A61K8/81; A61K8/8141; A61K8/8152; A61K8/84; A61K8/86; A61Q5/12; A61K2800/00; A61K2800/40; A61K2800/54; A61K2800/542; A61K2800/5426

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE535676A Cited
US2838397A Cited
US2942008A Cited
US3026250A Cited
US3130127A Cited
US3144391A Cited
US3099636A Cited
US3206362A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-09-21 1974-03-23 1974-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-09-21 1978-03-23 1978-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-09-21 1982-03-23 1982-09-22 $7700.00 Window Closed / Lapsed

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