Patent US2037951A successfully refreshed from Google Patents.
US2037951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed resistor unit and process of forming the same
Assignee: Allen Bradley Co LLC
•
Filing: 1933-09-11
•
Granted: 1936-04-21
•
Expires: 1953-09-11
Abstract
No abstract record available.
Inventors
- 👤 Homer G Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/14; H01C1/148; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49101; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
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) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |