Patent US2429201A successfully refreshed from Google Patents.
US2429201A
Expired / Lapsed
US
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Work feeding and rotating apparatus
Assignee: Ohio Crankshaft Co
•
Filing: 1945-05-18
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Granted: 1947-10-21
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Expires: 1965-05-18
Abstract
No abstract record available.
Inventors
- 👤 Connor Francis George
- 👤 Benson Ernest Keen
- 👤 Collyer Leonard Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:11
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/0006; C21D9/0018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1030283A
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US1301679A
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US1467236A
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US1686929A
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US2048557A
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US2202759A
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US2355184A
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US2329188A
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US2359273A
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US2347639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |