US2135864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Emerson Electric Co
•
Filing: 1936-09-23
•
Granted: 1938-11-08
•
Expires: 1956-09-23
Abstract
No abstract record available.
Inventors
- 👤 Weber Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
H; H01; H01H; H01H81/00; H01H81/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18904
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) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |