US2068494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control device
Assignee: Cutler Hammer Inc
•
Filing: 1931-11-02
•
Granted: 1937-01-19
•
Expires: 1951-11-02
Abstract
No abstract record available.
Inventors
- 👤 Kuhn Clarence Wilbur
- 👤 Clyde F Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:34
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/74; H01H71/7463; H01H81/00; H01H81/04
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) | 1940-01-19 | 1940-07-20 | 1941-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-19 | 1944-07-20 | 1945-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-19 | 1948-07-20 | 1949-01-19 | $7700.00 | Window Closed / Lapsed |