Patent US1885224A successfully refreshed from Google Patents.
US1885224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tool machine
Assignee: Davenport Machine Tool Co Inc
•
Filing: 1931-04-20
•
Granted: 1932-11-01
•
Expires: 1951-04-20
Abstract
No abstract record available.
Inventors
- 👤 Earl W Brinkman
- 👤 Edward S Kline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:17
CPC Classifications
B; B23; B23B; B23B13/00; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17119; Y10T279/34; Y10T279/3425; Y10T82/00; Y10T82/25; Y10T82/2593
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) | 1935-11-01 | 1936-05-02 | 1936-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-01 | 1940-05-02 | 1940-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-01 | 1944-05-02 | 1944-11-01 | $7700.00 | Window Closed / Lapsed |