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Patent US2775972A successfully refreshed from Google Patents.
US2775972A
Expired / Lapsed
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Composition and process for dyeing hair
Assignee: John H Breck Inc
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Filing: 1952-01-02
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Granted: 1957-01-01
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Expires: 1972-01-02
Abstract
No abstract record available.
Inventors
- 👤 John M Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:22
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61Q; A61Q5/00; A61Q5/06; A61Q5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A COMPOSITION FOR DYEING HAIR WHICH COMPRISES A FIXATIVE COMPRISING AT LEAST ONE OF THE CLASS OF WATERSOLUBLE MONAZO COMPOUNDS WHICH IN THEIR ACID FORM ARE REPRESENTED BY THE FORMULAE FIG -01 SAID COMPOSITION COMPRISING ANOTHER COMPOUND WHICH IS TAKEN FROM THE GROUP CONSISTING OF OTHER WATER-SOLUBLE METALLIZABLE DYESTUFFS.
Claim 2
Dependent Claim
49 words
A COMPOSITION FOR DYEING HAIR WHICH COMPRISES A FIXATIVE COMPRISING AT LEAST ONE OF THE CLASS OF WATERSOLUBLE MONAZO COMPOUNDS WHICH IN THEIR ACID FORM ARE REPRESENTED BY THE FORMULAE FIG -01 SAID COMPOSITION COMPRISING ANOTHER COMPOUND WHICH IS TAKEN FROM THE GROUP CONSISTING OF OTHER WATER-SOLUBLE METALLIZABLE DYESTUFFS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |