US2553837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety receptacle
Assignee: Harvey Hubbell Inc
•
Filing: 1950-02-03
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Granted: 1951-05-22
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Expires: 1970-02-03
Abstract
No abstract record available.
Inventors
- 👤 Holtz Charles T Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/64; H01R13/44; H01R13/447; H01R13/453
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |