US2960442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dressing method
Assignee: Schwartz Bio Res Inc
•
Filing: 1958-04-24
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Granted: 1960-11-15
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Expires: 1978-04-24
Abstract
No abstract record available.
Inventors
- 👤 David R Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:59
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/60; A61K8/606; A61Q; A61Q5/00; A61Q5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
THE METHOD OF HAIR DRESSING WHICH COMPRISES APPLYING TO THE COIFFUER A PREPARATION CONTAINING NUCLEIC ACID AS A PRINCIPAL INGREDIENT THEREOF.
Claim 2
Independent Claim
21 words
THE METHOD OF HAIR DRESSING WHICH COMPRISES APPLYING TO THE COIFFUER A PREPARATION CONTAINING NUCLEIC ACID AS A PRINCIPAL INGREDIENT THEREOF.
References Cited (Backward Citations)
US1884015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |