Patent US2548903A successfully refreshed from Google Patents.
US2548903A
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Hydraulic jack
Assignee: Auto Specialties Manufacturing Co
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Filing: 1945-04-09
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Granted: 1951-04-17
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Expires: 1965-04-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:31
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/8593; Y10T137/877; Y10T137/87901; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T29/49995; Y10T29/49996
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2038974A
Cited
US1991453A
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US2037434A
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US2042727A
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US2134501A
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US2358711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |