US3715429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deformation of hair with thiourea dioxide and activating agent therefor
Assignee: Individual
•
Filing: 1969-11-24
•
Granted: 1973-02-06
•
Expires: 1989-11-24
Abstract
Abstract A COMPOSITION BASED ON THIOUREA DIOXIDE AND INCORPORATING ACTIVATING AGENTS THEREFOR SUITABLE FOR THE PREPARATION OF A SUBSTANTIALLY NEUTRAL AQUEOUS SOLUTION FOR USE IN THE TREATMENT OF HAIR.
Inventors
- 👤 J Amon
- 👤 J Tobin
- 👤 R Amon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:51
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A61K8/46; A61Q; A61Q5/00; A61Q5/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |