Patent US2591285A successfully refreshed from Google Patents.
US2591285A
Expired / Lapsed
US
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Bolt finishing machine
Assignee: OLIVER IRON AND STEEL Corp
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Filing: 1946-03-29
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Granted: 1952-04-01
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Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Charles D Overly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:55
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US580171A
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US686122A
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US905600A
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US1108448A
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US1286467A
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US1276652A
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US1358553A
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US1816225A
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US1999264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |