US2293487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit breaker
Assignee: General Electric Co
•
Filing: 1941-07-25
•
Granted: 1942-08-18
•
Expires: 1961-07-25
Abstract
No abstract record available.
Inventors
- 👤 Bartlett Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/06; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/342; H01H9/44; H01T; H01T1/00; H01T1/02; H01T1/04
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) | 1945-08-17 | 1946-02-16 | 1946-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-17 | 1950-02-16 | 1950-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-17 | 1954-02-16 | 1954-08-18 | $7700.00 | Window Closed / Lapsed |