US2479041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glycerine extraction process
Assignee: Colgate Palmolive Co
•
Filing: 1943-09-18
•
Granted: 1949-08-16
•
Expires: 1963-09-18
Abstract
No abstract record available.
Inventors
- 👤 Elgin Joseph Clifton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:27
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0488
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1092791A
Cited
US1193951A
Cited
US1147767A
Cited
US1078580A
Cited
US2081721A
Cited
FR829539A
Cited
US2153704A
Cited
FR850684A
Cited
US2235056A
Cited
US2235057A
Cited
FR843074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |