US2416074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of heavy metal soaps
Assignee: EIDP Inc
•
Filing: 1943-09-21
•
Granted: 1947-02-18
•
Expires: 1963-09-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Weber
- 👤 Clement H Hamblet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:07
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2157767A
Cited
US861345A
Cited
US1097099A
Cited
US1878962A
Cited
US1990320A
Cited
US2159864A
Cited
US2199829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |