US2947874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switching arrangements
Assignee: The General Electric Company PLC
•
Filing: 1957-05-06
•
Granted: 1960-08-02
•
Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Tomlinson Terence Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:10
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/42; H; H03; H03K; H03K23/00; H03K23/78; H03K3/00; H03K3/02; H03K3/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2727683A
Cited
US2773992A
Cited
US2790088A
Cited
US2895054A
Cited
US2907001A
Cited
US2900522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |