US2767601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance cylinder for forging presses and the like
Assignee: ERIE FOUNDRY CO
•
Filing: 1953-06-15
•
Granted: 1956-10-23
•
Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Macdonald S Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:03
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US498354A
Cited
GB189825113A
Cited
GB261590A
Cited
US1918354A
Cited
US2169747A
Cited
US2164640A
Cited
US2412975A
Cited
US2512738A
Cited
US2636138A
Cited
US2650572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |