Patent US2445648A successfully refreshed from Google Patents.
US2445648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing powdered metal
Assignee: New Jersey Zinc Co
•
Filing: 1944-05-13
•
Granted: 1948-07-20
•
Expires: 1964-05-13
Abstract
No abstract record available.
Inventors
- 👤 Trucsdale Edward Cushman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:37
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/20; B22F9/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US183691A
Cited
US1481357A
Cited
US1865554A
Cited
US1979729A
Cited
US2065618A
Cited
US2197085A
Cited
US2367262A
Cited
US2346034A
Cited
US2351765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |