US2651694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fuse switch construction
Assignee: S&C Electric Co
•
Filing: 1950-04-26
•
Granted: 1953-09-08
•
Expires: 1970-04-26
Abstract
No abstract record available.
Inventors
- 👤 Sigurd I Lindell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:48
CPC Classifications
H; H01; H01H; H01H31/00; H01H31/02; H01H31/12; H01H31/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1940203A
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US1965391A
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US2118270A
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US2074913A
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US2166782A
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US2178650A
Cited
US2230955A
Cited
US2318817A
Cited
US2485221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |