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Patent US3588489A successfully refreshed from Google Patents.
US3588489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated electrical device
Assignee: Sierra Electric Inc
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Filing: 1968-04-04
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Granted: 1971-06-28
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Expires: 1988-04-04
Abstract
Abstract AN ELECTRICAL DEVICE WITH DUAL RECEPTACLES AND AN EXPOSED ELECTROLUMINESCENT PANEL BETWEEN THE RECEPTACLES FOR ILLUMINATION.
Inventors
- 👤 Jack H Gaines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:15
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/717
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |