US3729560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hair and scalp with compositions containing estriol
Assignee: Leo AB
•
Filing: 1969-03-25
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Granted: 1973-04-24
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Expires: 1989-03-25
Abstract
Abstract IMPROVEMENT OR ALLEVIATION OF CERTAIN UNDESIRABLE CONDITIONS OF THE SCALP, INCUDING CERTAIN TYPES OF NON-IRREVERSIBLE HAIRFALL USING ESTRIOL, AND COMPOSITIONS THEREOF PARTICULARLY USEFUL IN SUCH TREATMENT.
Inventors
- 👤 G Hagerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:23
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/008; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/63; A61Q7/00; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 0
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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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |