US2486567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fatigue testing machine
Assignee: Baldwin Locomotive Works
•
Filing: 1944-12-23
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Granted: 1949-11-01
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Expires: 1964-12-23
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Lazan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:23
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N3/34; G01N2203/00; G01N2203/0014; G01N2203/0021; G01N2203/003; G01N2203/0032; G01N2203/0037; G01N2203/0058; G01N2203/0069; G01N2203/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22416E
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US2380622A
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US682104A
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GB190617309A
Cited
US1409842A
Cited
GB171821A
Cited
US1575519A
Cited
US2238116A
Cited
GB511118A
Cited
US2283743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |