Patent US2622397A successfully refreshed from Google Patents.
US2622397A
Expired / Lapsed
US
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Hydraulic transmission for press rams
Assignee: Individual
•
Filing: 1947-08-22
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Granted: 1952-12-23
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Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Nowak Alois Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:48
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/26; B30B1/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US214574A
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US429667A
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US933010A
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US1429665A
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US1690398A
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US1980514A
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US1939886A
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US2075235A
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US2128152A
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US2407957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |