US3481881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soap or detergent rinsing agent
Assignee: Dr Th Boehme KG Chemie Fabrik GmbH and Co
•
Filing: 1966-01-24
•
Granted: 1969-12-02
•
Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Hans Wedell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:53
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/04; C07H13/06; C11; C11D; C11D1/00; C11D1/66; C11D1/662; C11D3/00; C11D3/16; C11D3/20; C11D3/2093; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554483A
Cited
US2563856A
Cited
US2954347A
Cited
US2893990A
Cited
US3024229A
Cited
US2970962A
Cited
US3231561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |