US2820132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion press container
Assignee: Baldwin Lima Hamilton Corp
•
Filing: 1953-11-19
•
Granted: 1958-01-14
•
Expires: 1973-11-19
Abstract
No abstract record available.
Inventors
- 👤 Gerhard P Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:49
CPC Classifications
B; B21; B21C; B21C27/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB189917829A
Cited
US1370800A
Cited
FR648331A
Cited
US1857725A
Cited
US2140825A
Cited
FR863259A
Cited
US2435426A
Cited
US2694741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |