US2416951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching means
Assignee: General Electric Co
•
Filing: 1942-09-26
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Granted: 1947-03-04
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Expires: 1962-09-26
Abstract
No abstract record available.
Inventors
- 👤 David C Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10; H01H71/00; H01H71/04; H01H71/10; H01H71/12; H01H71/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1011896A
Cited
US1130485A
Cited
US1678205A
Cited
US1930485A
Cited
US1774417A
Cited
US2047365A
Cited
US2102204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |