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US2768482A
Expired / Lapsed
US
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Automatic grinding system
Assignee: Individual
•
Filing: 1952-11-03
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Granted: 1956-10-30
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Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Bindszus William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:42
CPC Classifications
B; B24; B24B; B24B49/00; B24B3/00; B24B3/36; B24B3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US915671A
Cited
US1370381A
Cited
US1763201A
Cited
GB366005A
Cited
US1891662A
Cited
US2149409A
Cited
US2264985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |