Patent US935258A successfully refreshed from Google Patents.
Patent US3202362A successfully refreshed from Google Patents.
Patent US2443090A successfully refreshed from Google Patents.
US2443090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker
Assignee: Individual
•
Filing: 1945-08-04
•
Granted: 1948-06-08
•
Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Donald R Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/48; H01H73/50; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190513590A
Cited
US1809275A
Cited
US2026373A
Cited
US2190517A
Cited
US2182864A
Cited
US2160424A
Cited
US2214695A
Cited
US2325717A
Cited
US2360684A
Cited
US2331012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |