US1064618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well-drilling tool.
Assignee: Individual
•
Filing: 1912-05-14
•
Granted: 1913-06-10
•
Expires: 1932-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ras Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
E; E21; E21B; E21B3/00; B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1072; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17846; Y10T279/17923
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) | 1916-06-09 | 1916-12-09 | 1917-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-06-09 | 1920-12-09 | 1921-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-06-09 | 1924-12-09 | 1925-06-10 | $7700.00 | Window Closed / Lapsed |