Patent US2760727A successfully refreshed from Google Patents.
US2760727A
Expired / Lapsed
US
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Process and apparatus for vibratory grinding
Assignee: N V Tema
•
Filing: 1951-05-24
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Granted: 1956-08-28
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Expires: 1971-05-24
Abstract
No abstract record available.
Inventors
- 👤 Kiesskalt Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:02
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US262652A
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DE331540C
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US2168093A
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US2292275A
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US2232696A
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US2450262A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |