US2602294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic and electrical system for operating presses
Assignee: American Steel Foundries
•
Filing: 1950-12-21
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Granted: 1952-07-08
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Expires: 1970-12-21
Abstract
No abstract record available.
Inventors
- 👤 Robert K Sedgwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/18; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |