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Patent US2748546A successfully refreshed from Google Patents.
US2748546A
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US
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Machine for grinding, polishing, buffing or the like
Assignee: Midwest Supply and Manufacturing Co
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Filing: 1954-02-23
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Granted: 1956-06-05
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Harold A Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:15
CPC Classifications
B; B24; B24B; B24B27/00; B24B27/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US142173A
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US214002A
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US261624A
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US895383A
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US985412A
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US2324416A
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US2462314A
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US2575696A
Cited
US2684695A
Cited
US2580721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |