US1877352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor unit
Assignee: Allen Bradley Co LLC
•
Filing: 1929-03-11
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Granted: 1932-09-13
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Expires: 1949-03-11
Abstract
No abstract record available.
Inventors
- 👤 George E Megow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:38
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/14; H01C1/148; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49098; Y10T403/00; Y10T403/47; Y10T403/473
Claims Analysis
Total Claims: 0
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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) | 1935-09-13 | 1936-03-14 | 1936-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-13 | 1940-03-14 | 1940-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-13 | 1944-03-14 | 1944-09-13 | $7700.00 | Window Closed / Lapsed |