Patent US2525908A successfully refreshed from Google Patents.
US2525908A
Expired / Lapsed
US
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Fluid-pressure mechanism
Assignee: United Shoe Machinery Corp
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Filing: 1944-03-23
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Granted: 1950-10-17
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Expires: 1964-03-23
Abstract
No abstract record available.
Inventors
- 👤 Jorgensen Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:37
CPC Classifications
A; A43; A43D; A43D21/00; A43D21/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US452742A
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FR462487A
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US1201237A
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US1770912A
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US1907162A
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US1847073A
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US2167328A
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US2308712A
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US2337573A
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US2273111A
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US2351047A
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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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |