US3372258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit interrupter of the vacuum type with arc-voltage control means for promoting arc transfer
Assignee: General Electric Co
•
Filing: 1965-05-28
•
Granted: 1968-03-05
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:35
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66261; H01H33/664; H01H33/6644; H01H33/6645; H01H2033/66292; H01H33/6641; H01H33/6646
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2090519A
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US2027836A
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US2949520A
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US3014107A
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US3082307A
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US2976382A
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US3185797A
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US3185799A
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US3283103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |