Patent US933741A successfully refreshed from Google Patents.
US933741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-chuck.
Assignee: T R ALMOND MANUFACTURING Co
•
Filing: 1907-04-18
•
Granted: 1909-09-14
•
Expires: 1927-04-18
Abstract
No abstract record available.
Inventors
- 👤 Josiah Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:03
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1238; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17615; Y10T279/17623; Y10T279/17632
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1912-09-13 | 1913-03-15 | 1913-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-13 | 1917-03-15 | 1917-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-13 | 1921-03-15 | 1921-09-14 | $7700.00 | Window Closed / Lapsed |