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Patent US2575212A successfully refreshed from Google Patents.
US2575212A
Expired / Lapsed
US
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Wheel grinder
Assignee: Individual
•
Filing: 1948-07-02
•
Granted: 1951-11-13
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Expires: 1968-07-02
Abstract
No abstract record available.
Inventors
- 👤 Harry G Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:46
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/46; B24B23/00; B24B23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596336A
Cited
GB190427325A
Cited
US851702A
Cited
US1050915A
Cited
US1627074A
Cited
US1633885A
Cited
US1551167A
Cited
US1891173A
Cited
US1988138A
Cited
US2534969A
Cited
US2507052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |