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US2755601A
Expired / Lapsed
US
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Grinding apparatus
Assignee: Individual
•
Filing: 1953-09-30
•
Granted: 1956-07-24
•
Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Lux Hans Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:18
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2047649A
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GB523879A
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US2315104A
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US2458840A
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US2386649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |