US2776346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawout mechanism for metal enclosed electric switchgear
Assignee: General Electric Co
•
Filing: 1953-12-31
•
Granted: 1957-01-01
•
Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Vincent N Stewart
- 👤 Max B Fornwalt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:43
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US451702A
Cited
US1448383A
Cited
US1768535A
Cited
US1632592A
Cited
US1729864A
Cited
US2554510A
Cited
US2544314A
Cited
US2702324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |