US3472243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating damaged living human hair with water soluble polymerizable vinyl monomers
Assignee: P&G Hair Care Holding Inc
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Filing: 1965-09-27
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Granted: 1969-10-14
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert A Wall
- 👤 Percy Fainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:05
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61Q; A61Q5/00; A61Q5/12; A61K2800/00; A61K2800/80; A61K2800/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE535040A
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CH224787A
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US2335454A
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US2667473A
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US2818362A
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US2890094A
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US2961431A
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DE1160983B
Cited
DE1151940B
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DE1162509B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |