US1887374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill
Assignee: Cleveland Twist Drill Co
•
Filing: 1929-04-10
•
Granted: 1932-11-08
•
Expires: 1949-04-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Emmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02; B23B51/0002; B23B51/0003; B23B2222/00; B23B2222/28; B23B2240/00; B23B2240/08; B23B2251/00; B23B2251/50; Y; Y10; Y10S; Y10S408/00; Y10S408/713; Y10S76/00; Y10S76/05; Y10T; Y10T407/00; Y10T407/26; Y10T408/00; Y10T408/78
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) | 1935-11-08 | 1936-05-09 | 1936-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-08 | 1940-05-09 | 1940-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-08 | 1944-05-09 | 1944-11-08 | $7700.00 | Window Closed / Lapsed |