US3385938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal enclosed switchgear having circuit interrupter means mounted on the door and connected in series and interlocked with switch blade means
Assignee: S&C Electric Co
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Filing: 1966-05-23
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Granted: 1968-05-28
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Guenter G Schockelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:29
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/26; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/12; H01H33/46; H01H33/48; H02B11/12; H02B11/127; H02B11/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |