US2513564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bimetallic overload circuit breaker
Assignee: Mechanical Products Inc
•
Filing: 1945-06-16
•
Granted: 1950-07-04
•
Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 Richard C Ingwersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:16
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1560597A
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US1704379A
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US1779149A
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US1812842A
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US1939194A
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US2187606A
Cited
US2210261A
Cited
US2302717A
Cited
US2307823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |