Patent US2383738A successfully refreshed from Google Patents.
US2383738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent composition
Assignee: Procter and Gamble Co
•
Filing: 1942-02-20
•
Granted: 1945-08-28
•
Expires: 1962-02-20
Abstract
No abstract record available.
Inventors
- 👤 Albert S Richardson
- 👤 Walter H Mcallister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/52; C11D1/521; C11D1/02; C11D1/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-08-27 | 1949-02-26 | 1949-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-27 | 1953-02-26 | 1953-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-27 | 1957-02-26 | 1957-08-28 | $7700.00 | Window Closed / Lapsed |