US3527608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous cleansing of rigid materials
Assignee: Henkel AG and Co KGaA
•
Filing: 1965-12-01
•
Granted: 1970-09-08
•
Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Hans-Joachim Schlussler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:23
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/364; C11D1/00; C11D1/38; C11D1/42; C11D1/44; C11D1/66; C11D1/72; C11D3/02; C11D3/04; C11D3/044; C11D3/361; C11D2111/00; C11D2111/10; C11D2111/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2615846A
Cited
CA571529A
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US2599807A
Cited
GB790160A
Cited
US2976248A
Cited
US2991244A
Cited
US3288846A
Cited
US3367878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |