Patent US2709198A successfully refreshed from Google Patents.
US2709198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking cover assembly for electrical receptacles
Assignee: Individual
•
Filing: 1950-08-07
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Granted: 1955-05-24
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Expires: 1970-08-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Holtshouser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:37
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5575; Y10T70/558; Y10T70/5584
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) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |