US2471848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined switch and fuse
Assignee: General Electric Co
•
Filing: 1945-12-29
•
Granted: 1949-05-31
•
Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Hoorn Fred G Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:22
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/30; H01H85/32; H01H9/00; H01H9/10; H01H9/102
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) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |