Patent US2548784A successfully refreshed from Google Patents.
US2548784A
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US
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Pneumatically operated hydraulic press
Assignee: Stewart Warner Corp
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Filing: 1946-03-22
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Granted: 1951-04-10
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Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Waldemar S Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:09
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054194A
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US1724635A
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US1714545A
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FR626980A
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US1822667A
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US2075235A
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US2258981A
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US2292916A
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US2245080A
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US2324149A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |