US2464889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making electrolytic iron
Assignee: TACOMA POWDERED METALS Co
•
Filing: 1945-03-19
•
Granted: 1949-03-22
•
Expires: 1965-03-19
Abstract
No abstract record available.
Inventors
- 👤 Robert D Pike
- 👤 Schoder Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
C; C25; C25C; C25C5/00; C25C5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US522415A
Cited
US1254056A
Cited
US1432544A
Cited
US1769605A
Cited
US1782909A
Cited
US1912430A
Cited
US1945107A
Cited
US1980381A
Cited
US2223928A
Cited
GB506590A
Cited
US2273798A
Cited
GB549954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |