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US3485568A Expired / Lapsed US ⏱️ 0.0 years remaining

2,5 - dihydroxy - monomethyl- or diethyl-aminobenzene for dyeing living human hair,furs and other keratinous fibers

Assignee: L'Oréal SA
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Filing: 1967-09-29
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Granted: 1969-12-23
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Expires: 1987-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Gregoire Kalopissis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:32
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/415; A61Q5/06; A61Q5/065; D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/305

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3011858A Cited
FR1222700A 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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