Patent US3233091A successfully refreshed from Google Patents.
US3233091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable stand-by emergency light unit
Assignee: Gulton Industries Inc
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Filing: 1962-03-07
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Granted: 1966-02-01
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Hunt Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:58
CPC Classifications
F; F21; F21S; F21S9/00; F21S9/02; F21S9/022; F21S8/00; F21S8/03; F21S8/033; F21S8/035; H; H02; H02J; H02J9/00; H02J9/02; F21Y; F21Y2105/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A COMBINATION NIGHT LIGHT AND PORTABLE STAND-BY EMERGENCY LIGHT UNIT COMPRISING AN ELECTRICAL PLUG REMOVABLY RECEIVABLE IN AN ELECTRICAL SOCKET FOR REMOVABLY SUPPORTING THE LIGHT UNIT THEREFROM AND FOR ENERGIZING THE ELECTRICAL PLUG WITH A.C. CURRENT, AN ELECTROLUMINESCENT PANEL FOR PRODUCING LIGHT AT THE LIGHT UNIT, CONDUCTOR MEANS CONNECTING THE ELECTROLUMINESCENT PANEL TO THE ELECTRICAL PLUG FOR ENERGIZING THE ELECTROLUMINESCENT PANEL WITH A.C. VOLTAGE WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT TO PROVIDE A NIGHT LIGHT, A RECTIFIER, A RESISTOR, CONDUCTOR MEANS CONNECTING THE RECTIFIER AND THE RESISTOR IN SERIES WITH THE ELECTRICAL PLUG FOR PRODUCING A D.C. VOLTAGE AT THE RECTIFIER WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT, A RECHARGEABLE BATTERY, CONDUCTOR MEANS CONNECTING THE RECTIFIER TO THE RECHARGEABLE BATTERY FOR CHARGING THE SAME WITH D.C. CURRENT WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT, A LAMP FOR PROJECTING LIGHT FROM THE LIGHT UNIT, CONDUCTOR MEANS CONNECTING THE RECHARGEABLE BATTERY WITH THE LAMP FOR ENER-
Claim 2
Dependent Claim
161 words
A COMBINATION NIGHT LIGHT AND PORTABLE STAND-BY EMERGENCY LIGHT UNIT COMPRISING AN ELECTRICAL PLUG REMOVABLY RECEIVABLE IN AN ELECTRICAL SOCKET FOR REMOVABLY SUPPORTING THE LIGHT UNIT THEREFROM AND FOR ENERGIZING THE ELECTRICAL PLUG WITH A.C. CURRENT, AN ELECTROLUMINESCENT PANEL FOR PRODUCING LIGHT AT THE LIGHT UNIT, CONDUCTOR MEANS CONNECTING THE ELECTROLUMINESCENT PANEL TO THE ELECTRICAL PLUG FOR ENERGIZING THE ELECTROLUMINESCENT PANEL WITH A.C. VOLTAGE WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT TO PROVIDE A NIGHT LIGHT, A RECTIFIER, A RESISTOR, CONDUCTOR MEANS CONNECTING THE RECTIFIER AND THE RESISTOR IN SERIES WITH THE ELECTRICAL PLUG FOR PRODUCING A D.C. VOLTAGE AT THE RECTIFIER WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT, A RECHARGEABLE BATTERY, CONDUCTOR MEANS CONNECTING THE RECTIFIER TO THE RECHARGEABLE BATTERY FOR CHARGING THE SAME WITH D.C. CURRENT WHEN THE ELECTRICAL PLUG IS ENERGIZED WITH A.C. CURRENT, A LAMP FOR PROJECTING LIGHT FROM THE LIGHT UNIT, CONDUCTOR MEANS CONNECTING THE RECHARGEABLE BATTERY WITH THE LAMP FOR ENER-
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |