US2497044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic press
Assignee: American Steel Foundries
•
Filing: 1943-09-13
•
Granted: 1950-02-07
•
Expires: 1963-09-13
Abstract
No abstract record available.
Inventors
- 👤 Relza J Hess
- 👤 Frank G Cizek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:40
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/04; Y; Y10; Y10S; Y10S425/00; Y10S425/128
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1327710A
Cited
US1700363A
Cited
US1822939A
Cited
US1896564A
Cited
US1976740A
Cited
US1976833A
Cited
US2118098A
Cited
US2279540A
Cited
US2239882A
Cited
US2328071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |