US3193465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dyeing method using gelatin as a dye resist
Assignee: Lever Brothers Co
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Filing: 1962-04-13
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Granted: 1965-07-06
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Frowde Henry Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A61Q; A61Q5/00; A61Q5/06; A61Q5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD FOR DYEING HAIR WHICH COMPRISES APPLYING GELATIN ON A FIRST PART OF A HAIR FILAMENT BUT NOT ON A SECOND AND REMAINING PART OF A HAIR FILAMENT; AND APPLYING INDEPENDENTLY A DYE TO THE ENTIRE HAIR FILAMENT; SAID SECOND PART OF THE HAIR FILAMENT BEING DYED WITHOU DYEING SAID FIRST PART OF THE HAIR FILAMENT THEREBY.
Claim 2
Independent Claim
58 words
A METHOD FOR DYEING HAIR WHICH COMPRISES APPLYING GELATIN ON A FIRST PART OF A HAIR FILAMENT BUT NOT ON A SECOND AND REMAINING PART OF A HAIR FILAMENT; AND APPLYING INDEPENDENTLY A DYE TO THE ENTIRE HAIR FILAMENT; SAID SECOND PART OF THE HAIR FILAMENT BEING DYED WITHOU DYEING SAID FIRST PART OF THE HAIR FILAMENT THEREBY.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |