US2477803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical outlet safety device
Assignee: Individual
•
Filing: 1946-06-25
•
Granted: 1949-08-02
•
Expires: 1966-06-25
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:30
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL37778C
Cited
US771410A
Cited
GB409529A
Cited
GB434807A
Cited
GB463915A
Cited
US2154160A
Cited
US2155925A
Cited
US2424642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |