Patent US3194734A successfully refreshed from Google Patents.
US3194734A
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Processes and compositions for dyeing hair and similar fibres
Assignee: L'Oréal SA
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Filing: 1961-06-01
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Granted: 1965-07-13
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Seemuller John Robert
- 👤 Pigerol Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:58
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/305; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4913; A61K8/492; A61Q; A61Q5/00; A61Q5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A PROCESS FOR DYEING HUMAN HAIR WHICH COMPRISES APPLYING THERETO AN AQUEOUS ALKALINE COMPOSITION CONTAINING A COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
21 words
A PROCESS FOR DYEING HUMAN HAIR WHICH COMPRISES APPLYING THERETO AN AQUEOUS ALKALINE COMPOSITION CONTAINING A COMPOUND REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2539202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |