US2968709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch incorporating circuit breaker
Assignee: Mechanical Products Inc
•
Filing: 1957-03-18
•
Granted: 1961-01-17
•
Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Richard C Ingwersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:13
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1045; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1545785A
Cited
US2070305A
Cited
US2471837A
Cited
US2503409A
Cited
US2662949A
Cited
US2810048A
Cited
US2692926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |