US2536652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket for electrical devices
Assignee: EMI Ltd
•
Filing: 1947-07-31
•
Granted: 1951-01-02
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Metcalfe Clifford
- 👤 Sexton Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:56
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/74; H01R33/76; H01R33/7607; H01R33/7614; H01R33/7628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1936320A
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GB263415A
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US1747896A
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US2252918A
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GB547968A
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US2369541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |