Patent US891022A successfully refreshed from Google Patents.
US891022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic drill-drift.
Assignee: FREDERICK J MARSHALL
•
Filing: 1907-12-30
•
Granted: 1908-06-16
•
Expires: 1927-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ira A Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:40
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17888; Y10T279/17957; Y10T279/17965; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53835; Y10T29/53839; Y10T29/53843; Y10T29/53909; Y10T29/5393
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) | 1911-06-16 | 1911-12-16 | 1912-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-16 | 1915-12-16 | 1916-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-16 | 1919-12-16 | 1920-06-16 | $7700.00 | Window Closed / Lapsed |