Patent US2084562A successfully refreshed from Google Patents.
US2084562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing relay for machine tools
Assignee: National Automatic Tool Co Inc
•
Filing: 1932-12-02
•
Granted: 1937-06-22
•
Expires: 1952-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
B; B23; B23Q; B23Q16/00; Y; Y10; Y10T; Y10T408/00; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/36; Y10T408/38; Y10T408/3844; Y10T408/65; Y10T408/675; Y10T408/6757
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) | 1940-06-21 | 1940-12-21 | 1941-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-06-21 | 1944-12-21 | 1945-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-06-21 | 1948-12-21 | 1949-06-22 | $7700.00 | Window Closed / Lapsed |