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US2722905A
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US
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Hydraulic machines
Assignee: Hydropress Inc
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Filing: 1951-05-07
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Granted: 1955-11-08
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Expires: 1971-05-07
Abstract
No abstract record available.
Inventors
- 👤 Heinrich B Albers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:04
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1013046A
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US1245059A
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US1533115A
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US1879009A
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US1973622A
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US2298132A
Cited
US2344779A
Cited
US2460820A
Cited
US2407855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |