US1775994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill chuck
Assignee: ETTCO TOOL CO Inc
•
Filing: 1929-07-11
•
Granted: 1930-09-16
•
Expires: 1949-07-11
Abstract
No abstract record available.
Inventors
- 👤 George W Emrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:38
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17615; Y10T279/17649
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-15 | 1934-03-17 | 1934-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-15 | 1938-03-17 | 1938-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-15 | 1942-03-17 | 1942-09-16 | $7700.00 | Window Closed / Lapsed |