US2308992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing washing, cleansing, bleaching, and rinsing agents containing percompounds
Assignee: Procter and Gamble Co
•
Filing: 1938-09-29
•
Granted: 1943-01-19
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Expires: 1958-09-29
Abstract
No abstract record available.
Inventors
- 👤 Mertens Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
C; C11; C11D; C11D11/00; C11D11/02; B; B01; B01J; B01J8/00; B01J8/18; C11D17/00; C11D17/06; C11D3/00; C11D3/39; C11D3/3902; C11D3/3942; C11D9/00; C11D9/04; C11D9/42; Y; Y10; Y10S; Y10S159/00; Y10S159/14
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) | 1946-01-18 | 1946-07-20 | 1947-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-18 | 1950-07-20 | 1951-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-18 | 1954-07-20 | 1955-01-19 | $7700.00 | Window Closed / Lapsed |