US3465759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keratin modification
Assignee: Procter and Gamble Co
•
Filing: 1965-09-30
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Granted: 1969-09-09
•
Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 John W Haefele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:20
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/87; A45; A45D; A45D7/00; A45D7/04; A61K8/81; A61K8/8105; A61K8/8111; A61Q; A61Q5/00; A61Q5/04; A61K2800/00; A61K2800/80; A61K2800/87
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2270040A
Cited
US2606564A
Cited
US2894919A
Cited
US3003505A
Cited
US2857917A
Cited
US2907747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |