US2775015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for extrusion presses and the like
Assignee: Individual
•
Filing: 1952-05-20
•
Granted: 1956-12-25
•
Expires: 1972-05-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Erb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:43
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/52; B30; B30B; B30B11/00; B30B11/22; B30B11/26; B30B15/00; B30B15/16; B30B15/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US253199A
Cited
US450201A
Cited
US452202A
Cited
US489130A
Cited
US1331286A
Cited
US817209A
Cited
US1808964A
Cited
US2326498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |