US2600663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driven steering wheel assembly for coal loaders
Assignee: Jeffrey Manufacturing Co
•
Filing: 1949-02-05
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Granted: 1952-06-17
•
Expires: 1969-02-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
E; E21; E21D; E21D9/00; E21D9/12; E21D9/126; E21D9/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1080447A
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FR553009A
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GB311084A
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US2173339A
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FR839771A
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US2430528A
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US2441054A
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US2488520A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |