US2488047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding die cushion
Assignee: MINSTER MACHINE CO
•
Filing: 1945-05-21
•
Granted: 1949-11-15
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Reuben E Wissman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
B; B21; B21D; B21D24/00; B21D24/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602411A
Cited
US1757737A
Cited
US1849619A
Cited
US1920547A
Cited
US2241344A
Cited
US2377097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |