US3400353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal enclosed switchgear with series connected switch means, circuit interrupter means, current responsive means and operating means mounted on door
Assignee: S&C Electric Co
•
Filing: 1966-06-30
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Granted: 1968-09-03
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Guenther G Schockelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:50
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666; H01H3/00; H01H3/22; H01H3/30; H01H33/02; H01H33/04; H01H33/06; H01H71/00; H01H71/10; H01H71/12; H01H71/122; H01H71/14; H01H71/20; H01H79/00; H01H9/00; H01H9/20; H01H9/22; H02; H02B; H02B11/00; H02B11/26; H01H2033/6667; H01H3/3005; H01H3/301; H01H33/022; H01H9/10; H01H9/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US974109A
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US1352044A
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GB421416A
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US2400408A
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US2914635A
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US3280282A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |