US2745671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-holding chuck
Assignee: Cushman Chuck Co
•
Filing: 1953-06-08
•
Granted: 1956-05-15
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Harry E Sloan
- 👤 Linwood B Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:40
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/162; B23B31/16204; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1961; Y10T279/1986; Y10T279/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE40350C
Cited
US396035A
Cited
US746707A
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US1274685A
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US1813705A
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US2442668A
Cited
US2657068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |