US3100739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing human hair with water soluble, quaternary ammonium containing dyes
Assignee: Therachemie Chemische Therapeutische GmbH
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Filing: 1959-02-18
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Granted: 1963-08-13
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Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Kaiser Wilhelm Jakob
- 👤 Berth Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:57
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/41; A61K8/413; A61K8/418; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; B; B63; B63H; B63H23/00; B63H23/30; C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/207; C09B1/26; C09B1/28; C09B1/285; C09B39/00; C09B44/00; C09B44/02; C09B49/00; C09B49/06; C09B51/00; C09B69/00; C09B69/001; C09B7/00; C09B7/02; D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/30; D06P3/3033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |