US2933184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion press
Assignee: Schloemann AG
•
Filing: 1957-11-27
•
Granted: 1960-04-19
•
Expires: 1977-11-27
Abstract
No abstract record available.
Inventors
- 👤 Billen Peter
- 👤 Robra Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:47
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/21; B21C23/211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE536729C
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US1317238A
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GB131181A
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US2142704A
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GB629573A
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US2728453A
Cited
US2713941A
Cited
US2778495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |