US2570570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool chuck
Assignee: LEE FOUNDATION FOR NUTRITIONAL
•
Filing: 1949-08-22
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Granted: 1951-10-09
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Expires: 1969-08-22
Abstract
No abstract record available.
Inventors
- 👤 Lee Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:14
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/1173; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1084190A
Cited
US1127129A
Cited
US1552085A
Cited
US2105330A
Cited
US2131284A
Cited
US2467606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |