US2625625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free trip circuit breaker
Assignee: Mechanical Products Inc
•
Filing: 1950-06-02
•
Granted: 1953-01-13
•
Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 Richard C Ingwersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:06
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30; A; A61; A61G; A61G1/00; A61G1/013; A61G1/04; A61G1/052; A61G1/056; A61G1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1492967A
Cited
FR781446A
Cited
US2210261A
Cited
US2217488A
Cited
GB560004A
Cited
US2485736A
Cited
GB614510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |