Patent US2941308A successfully refreshed from Google Patents.
US3145337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined flashlight, extension light, continuity and voltage tester
Assignee: Individual
•
Filing: 1959-04-20
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Granted: 1964-08-18
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Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Lipson Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:22
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R19/155; F; F21; F21L; F21L2/00; F21V; F21V33/00; G01R31/00; G01R31/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
343 words
A COMBINED FLASHLIGHT AND CONTINUITY TESTER, COMPRISING A HOUSING, A LAMP MOUNTED AT ONE END OF SAID HOUSING AND HAVING FIRST AND SECOND LAMP TERMINALS, A BATTERY SUPPORTED WITHIN SAID HOUSING AND HAVING POSITIVE AND NEGATIVE TERMINALS, ONE OF SAID BATTERY TERMINALS BEING IN CONTACT WITH SAID FIRST LAMP TERMINAL, A SWITCH MOUNTED THROUGH SAID HOUSING, CONDUCTOR MEANS IN THE HOUSING CONNECTING SAID SWITCH IN SERIES BETWEEN THE SECOND LAMP TERMINAL AND THE OTHER OF SAID BATTERY TERMINALS, A FIRST PIN JACK INSULATELY SEPARATED FROM SAID HOUSING AND MOUNTED THERETHROUGH TO MAKE ELECTRICAL CONTACT WITH THE SECOND LAMP TERMINAL, A SECOND PIN JACK INSULATEDLY SEPARATED FROM AND MOUNTED THROUGH SAID HOUSING, SAID SECOND JACK MAKING ELECTRICAL CONNECTION WITH SAID FIRST LAMP TERMINAL, IN FURTHER COMBINATION WITH AN EXTENSION CORD HAVING PLUGS AT ONE END ADAPTED FOR CONNECTION TO SAID JACKS, AND HAVING TERMINALS AT SAID OTHER END, FOR CONNECTION WITH AN EXTERNAL ELECTRICAL CIRCUIT, WHEREBY INSERTION OF THE SAID EXTENSION CORD PLUGS INTO THE SAID PIN JACKS, AND CONNECTION OF THE EXTENSION CORD TERMINALS TO AN EXTERNAL CIRCUIT CONVERTS A CONVENTIONAL FLASHLIGHT INTO A CONTINUITY TESTER, WHEREBY THE BULB AND BATTERY OF THE FLASHLIGHT ARE USED TO TEST THE CONTINUITY OF THE EXTERNAL CIRCUIT WHICH HAS BEEN CONNECTED TO THE EXTENSION CORD, IN FURTHER COMBINATION WITH AN ELECTRIC CONDUCTOR DISC INTERPOSED AND IN ELECTRICAL CONTACT WITH SAID ONE BATTERY TERMINAL AND SAID FIRST LAMP TERMINAL, INCLUDING AT LEAST ONE ADDITIONAL PIN JACK MOUNTED THROUGH THE HOUSING AND IN ELECTRICAL CONTACT WITH THE SAID DISC, AND AT LEAST ONE ELECTRIC RESISTANCE IN SERIES WITH THE SAID CONDUCTOR DISC AND LAST SAID PIN JACK, WHEREBY THE LAMP CAN BE OPERATED FROM AN EXTERNAL SOURCE OF VOLTAGE BY INSERTING ONE OF THE EXTENSION CORD PLUGS INTO THE FIRST SAID PIN JACK, AND THE OTHER EXTENSION CORD PLUG INTO THE PIN JACK WHICH IS SERIALLY CONNECTED TO THE CONDUCTOR DISC, RESISTANCE AND LAMP, WHEREBY THE DEVICE CAN BE USED AS AN EXTENSION LIGHT AND VOLTAGE TESTER, IN ADDITION TO ITS USAGES AS A FLASHLIGHT AND CONTINUITY TESTER.
Claim 2
Dependent Claim
343 words
A COMBINED FLASHLIGHT AND CONTINUITY TESTER, COMPRISING A HOUSING, A LAMP MOUNTED AT ONE END OF SAID HOUSING AND HAVING FIRST AND SECOND LAMP TERMINALS, A BATTERY SUPPORTED WITHIN SAID HOUSING AND HAVING POSITIVE AND NEGATIVE TERMINALS, ONE OF SAID BATTERY TERMINALS BEING IN CONTACT WITH SAID FIRST LAMP TERMINAL, A SWITCH MOUNTED THROUGH SAID HOUSING, CONDUCTOR MEANS IN THE HOUSING CONNECTING SAID SWITCH IN SERIES BETWEEN THE SECOND LAMP TERMINAL AND THE OTHER OF SAID BATTERY TERMINALS, A FIRST PIN JACK INSULATELY SEPARATED FROM SAID HOUSING AND MOUNTED THERETHROUGH TO MAKE ELECTRICAL CONTACT WITH THE SECOND LAMP TERMINAL, A SECOND PIN JACK INSULATEDLY SEPARATED FROM AND MOUNTED THROUGH SAID HOUSING, SAID SECOND JACK MAKING ELECTRICAL CONNECTION WITH SAID FIRST LAMP TERMINAL, IN FURTHER COMBINATION WITH AN EXTENSION CORD HAVING PLUGS AT ONE END ADAPTED FOR CONNECTION TO SAID JACKS, AND HAVING TERMINALS AT SAID OTHER END, FOR CONNECTION WITH AN EXTERNAL ELECTRICAL CIRCUIT, WHEREBY INSERTION OF THE SAID EXTENSION CORD PLUGS INTO THE SAID PIN JACKS, AND CONNECTION OF THE EXTENSION CORD TERMINALS TO AN EXTERNAL CIRCUIT CONVERTS A CONVENTIONAL FLASHLIGHT INTO A CONTINUITY TESTER, WHEREBY THE BULB AND BATTERY OF THE FLASHLIGHT ARE USED TO TEST THE CONTINUITY OF THE EXTERNAL CIRCUIT WHICH HAS BEEN CONNECTED TO THE EXTENSION CORD, IN FURTHER COMBINATION WITH AN ELECTRIC CONDUCTOR DISC INTERPOSED AND IN ELECTRICAL CONTACT WITH SAID ONE BATTERY TERMINAL AND SAID FIRST LAMP TERMINAL, INCLUDING AT LEAST ONE ADDITIONAL PIN JACK MOUNTED THROUGH THE HOUSING AND IN ELECTRICAL CONTACT WITH THE SAID DISC, AND AT LEAST ONE ELECTRIC RESISTANCE IN SERIES WITH THE SAID CONDUCTOR DISC AND LAST SAID PIN JACK, WHEREBY THE LAMP CAN BE OPERATED FROM AN EXTERNAL SOURCE OF VOLTAGE BY INSERTING ONE OF THE EXTENSION CORD PLUGS INTO THE FIRST SAID PIN JACK, AND THE OTHER EXTENSION CORD PLUG INTO THE PIN JACK WHICH IS SERIALLY CONNECTED TO THE CONDUCTOR DISC, RESISTANCE AND LAMP, WHEREBY THE DEVICE CAN BE USED AS AN EXTENSION LIGHT AND VOLTAGE TESTER, IN ADDITION TO ITS USAGES AS A FLASHLIGHT AND CONTINUITY TESTER.
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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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |