US1984718A
Expired / Lapsed
US
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Method of eliminating eccentricity in the rotation of work spindles for machine tools
Assignee: SKF AB
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Filing: 1933-04-12
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Granted: 1934-12-18
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Expires: 1953-04-12
Abstract
No abstract record available.
Inventors
- 👤 Wistrand Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:01
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C19/545; B; B23; B23Q; B23Q1/00; B23Q1/70; F16C33/00; F16C33/30; F16C33/58; F16C33/64; F16C2322/00; F16C2322/39; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49696; Y10T29/49758; Y10T29/49762; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2562
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-12-17 | 1938-06-18 | 1938-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-17 | 1942-06-18 | 1942-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-17 | 1946-06-18 | 1946-12-18 | $7700.00 | Window Closed / Lapsed |