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Patent US2717478A successfully refreshed from Google Patents.
US2717478A
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Grinding machine
Assignee: BERNE TOCCI GUILBERT
•
Filing: 1952-09-30
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Granted: 1955-09-13
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Expires: 1972-09-30
Abstract
No abstract record available.
Inventors
- 👤 Hosmer L Blum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:23
CPC Classifications
B; B24; B24B; B24B45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871963A
Cited
US1984205A
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US2187350A
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US2295282A
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US2436466A
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US2486078A
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US2542154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |