US2458481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load weighing device
Assignee: Baldwin Locomotive Works
•
Filing: 1944-09-01
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Granted: 1949-01-04
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Expires: 1964-09-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Ruge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:01
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/20; G01L1/22; G01L1/2206; G01L1/2218; G01G; G01G3/00; G01G3/12; G01G3/14; G01G3/1402; G01G3/1408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE445345C
Cited
GB403098A
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US1972578A
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US2053560A
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US2050106A
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US2285580A
Cited
US2327935A
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US2330432A
Cited
US2396916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |