US1024172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-chuck.
Assignee: Individual
•
Filing: 1911-08-21
•
Granted: 1912-04-23
•
Expires: 1931-08-21
Abstract
No abstract record available.
Inventors
- 👤 Oscar J F Bergsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1071; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17803
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) | 1915-04-23 | 1915-10-23 | 1916-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-04-23 | 1919-10-23 | 1920-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-04-23 | 1923-10-23 | 1924-04-23 | $7700.00 | Window Closed / Lapsed |