US2121952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bleaching, washing, and cleansing compositions
Assignee: Henkel AG and Co KGaA
•
Filing: 1935-03-30
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Granted: 1938-06-28
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Expires: 1955-03-30
Abstract
No abstract record available.
Inventors
- 👤 Colonius Herbert
- 👤 Weldes Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
C; C01; C01B; C01B15/00; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/39; C11D3/3902; C11D3/3937; C11D3/3942; C11D3/3947; C11D9/00; C11D9/04; C11D9/06; C11D9/08; C11D9/10; C11D9/12; C11D9/14; C11D9/42; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
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) | 1941-06-27 | 1941-12-27 | 1942-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-27 | 1945-12-27 | 1946-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-27 | 1949-12-27 | 1950-06-28 | $7700.00 | Window Closed / Lapsed |