Patent US2927768A successfully refreshed from Google Patents.
US2927768A
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US
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Device for driving rapidly rotating spindles
Assignee: Ulvsunda Verkstader AB
•
Filing: 1953-05-26
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Granted: 1960-03-08
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Expires: 1973-05-26
Abstract
No abstract record available.
Inventors
- 👤 Gluchowicz Gerszon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:16
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/02; A61C1/05; A61C1/0007; B; B24; B24B; B24B47/00; B24B47/10; B24B47/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1551338A
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US810955A
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US840040A
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US1170547A
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US1127678A
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US1156549A
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US1355165A
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US2072656A
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US2492672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |