Patent US2546838A successfully refreshed from Google Patents.
US2010847A
Expired / Lapsed
US
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Electrical plug device
Assignee: Individual
•
Filing: 1931-11-19
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Granted: 1935-08-13
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Expires: 1951-11-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Lancaster P Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
H; H01; H01R; H01R27/00; H01R27/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-08-12 | 1939-02-11 | 1939-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-12 | 1943-02-11 | 1943-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-12 | 1947-02-11 | 1947-08-13 | $7700.00 | Window Closed / Lapsed |