US2816192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch incorporating an automatic circuit breaker
Assignee: Mechanical Products Inc
•
Filing: 1956-09-05
•
Granted: 1957-12-10
•
Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Richard C Ingwersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:12
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30; H01H73/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2306244A
Cited
US2701829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |