Patent US2483712A successfully refreshed from Google Patents.
US2483712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: National Automatic Tool Co Inc
•
Filing: 1945-05-04
•
Granted: 1949-10-04
•
Expires: 1965-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert A Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
B; B23; B23Q; B23Q15/00; B23B; B23B41/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158; Y10T408/00; Y10T408/05; Y10T408/23; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18992; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1874305A
Cited
US2047181A
Cited
US1911138A
Cited
US2152607A
Cited
US2116376A
Cited
US2324727A
Cited
US2359059A
Cited
US2408957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |