US2755094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet chuck
Assignee: Erickson Tool Co
•
Filing: 1951-06-22
•
Granted: 1956-07-17
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Expires: 1971-06-22
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17495; Y10T279/17529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US601395A
Cited
US1107483A
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US1973942A
Cited
US2272185A
Cited
US2360908A
Cited
US2465837A
Cited
US2599026A
Cited
US2654611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |