Patent US1050385A successfully refreshed from Google Patents.
US1050385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill-socket attachment for lathes.
Assignee: Individual
•
Filing: 1911-02-06
•
Granted: 1913-01-14
•
Expires: 1931-02-06
Abstract
No abstract record available.
Inventors
- 👤 Charles A Palmgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:48
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/12; B23B51/123; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965; Y10T279/34; Y10T279/3481; Y10T403/00; Y10T403/70
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) | 1916-01-14 | 1916-07-15 | 1917-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-01-14 | 1920-07-15 | 1921-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-01-14 | 1924-07-15 | 1925-01-14 | $7700.00 | Window Closed / Lapsed |