US1885133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent
Assignee: Individual
•
Filing: 1929-04-15
•
Granted: 1932-11-01
•
Expires: 1949-04-15
Abstract
No abstract record available.
Inventors
- 👤 William S Oppenheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:16
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/049; D; D06; D06L; D06L1/00; D06L1/02; Y; Y10; Y10S; Y10S206/00; Y10S206/812; Y10S206/823
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) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |