US2543759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic press
Assignee: American Steel Foundries
•
Filing: 1948-07-20
•
Granted: 1951-03-06
•
Expires: 1968-07-20
Abstract
No abstract record available.
Inventors
- 👤 Cannon Earl
- 👤 Grove Downers
- 👤 John N Heater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/18; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/518; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US971679A
Cited
US1244664A
Cited
US1911138A
Cited
US2350217A
Cited
US2324727A
Cited
US2419563A
Cited
US2483712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |