US2927901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Materials for cleansing the hair
Assignee: Individual
•
Filing: 1957-09-23
•
Granted: 1960-03-08
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edouard J-F Charret
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:08
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/02; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61K8/40; A61K8/41; A61K8/44; A61K8/45
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A COMPOSITION FOR CLEANING LIVE HUMAN HAIR, WHICH IS A HOMOGENEOUS AQUEOUS SOLUTION OF A DIAMINE OF THE GENERAL FORMULA
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) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |