US2889428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipole circuit breaker
Assignee: Schneider Electric USA Inc
•
Filing: 1955-06-08
•
Granted: 1959-06-02
•
Expires: 1975-06-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Kingdon
- 👤 Richard J Scheich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:34
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162; H01H71/1009; H01H71/1027; H01H71/40; H01H71/405; H01H71/50; H01H71/52; H01H71/522; H01H71/524
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1955327A
Cited
US2367382A
Cited
US2673908A
Cited
US2678359A
Cited
US2673264A
Cited
US2692926A
Cited
US2689287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |