Patent US2620922A successfully refreshed from Google Patents.
US2620922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic extrusion press
Assignee: Individual
•
Filing: 1948-01-27
•
Granted: 1952-12-09
•
Expires: 1968-01-27
Abstract
No abstract record available.
Inventors
- 👤 Alexander T Deutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; B21C23/24; B21C23/26; B21C23/30; B30; B30B; B30B11/00; B30B11/22; B30B11/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US882742A
Cited
US1177097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |