US2438951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic overload-release device or cushion for presses
Assignee: HYDRAULIC CONTROL ENGINEERING
•
Filing: 1944-10-03
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Granted: 1948-04-06
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Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 William T Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:04
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/28; B30B15/281; B30B15/284; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2148; Y10T83/00; Y10T83/869; Y10T83/8719
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207049A
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US1067444A
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US1180626A
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US1429528A
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US1614657A
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US1664485A
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US1798303A
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US1893187A
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US1918354A
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US1808606A
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US2038032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |