Patent US2423449A successfully refreshed from Google Patents.
US2423449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of spray dried soap particles having only slight dustforming tendencies
Assignee: Colgate Palmolive Co
•
Filing: 1941-04-17
•
Granted: 1947-07-08
•
Expires: 1961-04-17
Abstract
No abstract record available.
Inventors
- 👤 Heald Robert Franklin
- 👤 Givan Minor Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:13
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/24; C11D1/00; C11D1/02; C11D1/12; C11D3/00; C11D3/16; C11D3/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189423054A
Cited
US1479757A
Cited
US1719251A
Cited
US1715999A
Cited
US2016289A
Cited
US1886632A
Cited
US1946863A
Cited
US2058781A
Cited
US2130362A
Cited
US2206289A
Cited
US2296121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |