Patent US2568092A successfully refreshed from Google Patents.
US2568092A
Expired / Lapsed
US
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Swivel connection for air operated chucks
Assignee: Cushman Chuck Co
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Filing: 1947-04-25
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Granted: 1951-09-18
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Expires: 1967-04-25
Abstract
No abstract record available.
Inventors
- 👤 Harry E Sloan
- 👤 George A Highberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:43
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/16216; B23B31/1622; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US702665A
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US872358A
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US1109630A
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US1851723A
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US2304030A
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US2384281A
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US2402224A
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US2462006A
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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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |