US2458153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for electric plugs
Assignee: Individual
•
Filing: 1946-06-07
•
Granted: 1949-01-04
•
Expires: 1966-06-07
Abstract
No abstract record available.
Inventors
- 👤 Festge Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:20
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447; H01R13/453; H01R13/4538; Y; Y10; Y10S; Y10S439/00; Y10S439/915
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |