US2770837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruding press
Assignee: Hugo Stinnes Verwaltung G M B
•
Filing: 1953-02-24
•
Granted: 1956-11-20
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Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Reifenhauser Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:44
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; B30B11/248; B28; B28B; B28B3/00; B28B3/20; B28B3/22; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/425; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/395; B29C48/50; B29C48/505; B29C48/56; B29C48/68; B29C48/685; B29C48/686; B65; B65G; B65G33/00; B65G33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904884A
Cited
US1935050A
Cited
US2345086A
Cited
US2262989A
Cited
US2295823A
Cited
US2422480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |