Patent US2731774A successfully refreshed from Google Patents.
US2731774A
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Centerless grinding machine with work rotating and feeding work support
Assignee: Milacron Inc
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Filing: 1954-06-28
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Granted: 1956-01-24
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward J Sieber
- 👤 Wallace L Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:07
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |