US2427181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fuse and circuit interrupting device
Assignee: General Electric Co
•
Filing: 1943-04-28
•
Granted: 1947-09-09
•
Expires: 1963-04-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph J Baskerville
- 👤 Ralph R Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:04
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1654475A
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US1531917A
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US1601926A
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GB273370A
Cited
US2129723A
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US2161571A
Cited
US2176718A
Cited
US2124269A
Cited
US2190952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |