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US3501159A
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US
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Device for actuating clamping tools,especially jaw chucks on machine tools
Assignee: Forkardt Deutschland GmbH
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Filing: 1968-04-22
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Granted: 1970-03-17
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Expires: 1988-04-22
Abstract
No abstract record available.
Inventors
- 👤 Hans Scharfen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16233; B23B31/16254; B23B31/16258; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1118072A
Cited
US2193701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |