US2821401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for securing a press ram to a press plunger
Assignee: Schloemann AG
•
Filing: 1956-01-26
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Granted: 1958-01-28
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Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Eben Franz
- 👤 Hofmann Wilhelm
- 👤 Pirwitz Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:24
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/02; B30B15/026; B21; B21D; B21D37/00; B21D37/04; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17863
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) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |