US2739129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: Henkel AG and Co KGaA
•
Filing: 1951-07-03
•
Granted: 1956-03-20
•
Expires: 1971-07-03
Abstract
No abstract record available.
Inventors
- 👤 Manchot Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2555285A
Cited
US2020228A
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US2191199A
Cited
US2257545A
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US2296690A
Cited
US2489848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |