US2722174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic press
Assignee: Hydropress Inc
•
Filing: 1950-11-24
•
Granted: 1955-11-01
•
Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Heinrich B Albers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:37
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/04; B30; B30B; B30B15/00; B30B15/04; B30B15/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336604A
Cited
GB190415222A
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US1180896A
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US1410692A
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US1435486A
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US2148704A
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US2094862A
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US2087403A
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US2296072A
Cited
US2416058A
Cited
US2417697A
Cited
US2624272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |