US2254848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system
Assignee: Worthington Pump and Machinery Corp
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Filing: 1938-12-28
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Granted: 1941-09-02
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Expires: 1958-12-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Holveck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
C; C10; C10B; C10B33/00; C10B33/006; F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/8593; Y10T137/85978; Y10T137/86171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-09-01 | 1945-03-03 | 1945-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-01 | 1949-03-03 | 1949-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-01 | 1953-03-03 | 1953-09-02 | $7700.00 | Window Closed / Lapsed |