US2946303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated presses
Assignee: G Siempelkamp GmbH and Co KG
•
Filing: 1957-11-01
•
Granted: 1960-07-26
•
Expires: 1977-11-01
Abstract
No abstract record available.
Inventors
- 👤 Schmid Mathias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:49
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/10; B21J9/12; B30; B30B; B30B15/00; B30B15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1888990A
Cited
US2239339A
Cited
US2200998A
Cited
US2403912A
Cited
US2573993A
Cited
US2737138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |