US3549543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-foaming washing and cleansing agents
Assignee: Henkel AG and Co KGaA
•
Filing: 1966-06-01
•
Granted: 1970-12-22
•
Expires: 1986-06-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred Kirstahler
- 👤 Gunter Jakobi
- 👤 Ernst Gotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:20
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/42; C11D1/44; C11D1/66; C11D1/722; C11D3/00; C11D3/0005; C11D3/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |