US3252733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric hand lantern
Assignee: Bridgeport Metal Goods Manufacturing Co
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Filing: 1964-11-17
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Granted: 1966-05-24
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Moore
- 👤 Joseph G Bacevius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:29
CPC Classifications
F; F21; F21L; F21L2/00; F21L4/00; F21V; F21V23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
AN ELECTRIC HAND LANTERN COMPRISING: A BODY OF ELECTRICAL INSULATING MATERIAL DEFINING A CHAMBER ADAPTED TO CONTAIN A PLURALITY OF BATTERIES; CONDUCTOR MEANS IN SAID CHAMBER POSITIONED TO CONTACT OPPOSITE POLES OF AT LEAT TWO OF SAID BATTERIES; LAMP POSITIONING MEANS MOUNTED IN SAID BODY TO POSITION A LAMP WITH ONE OF THE LAMP TERMINALS ELECTRICALLY CONNECTED TO THE REMAINING POLE OF ONE OF SAID BATTERIES; SAID LAMP POSITIONING MEANS INCLUDING A CONDUCTIVE PORTION IN CONTACT WITH THE OTHER TERMINAL OF SAID LAMP; SWITCH MEANS FOR SELECTIVELY ELECTRICALLY INTERCONNECTING SAID CONDUCTIVE PORTION WITH THE REMAINING POLE OF ANOTHER OF SAID BATTERIES, INCLUDING A METALLIC CONTACT STRIP SECURED TO SAID BODY IN A FIXED POSITION TO CONTACT THE REMAINING POLE OF THE SAID ANOTHER OF SAID BATTERIES, AND A METALLIC SWITCHING STRIP MOVABLY MOUNTED ON SAID BODY AND ARRANGED TO SLIDINGLY ENAGAGE SAID CONTACT STRIP AT ALL TIMES BUT SELECTIVELY ENGAGE SAID CONDUCTIVE PORTION ONLY IN ONE POSITION TO WHICH IT IS MOVABLE; AND MEANS ACCESSIBLE FROM THE EXTERIOR OF SAID BODY FOR SELECTIVELY MOVING SAID SWITCHING STRIP INTO AND OUT OF SAID POSITION.
Claim 2
Dependent Claim
183 words
AN ELECTRIC HAND LANTERN COMPRISING: A BODY OF ELECTRICAL INSULATING MATERIAL DEFINING A CHAMBER ADAPTED TO CONTAIN A PLURALITY OF BATTERIES; CONDUCTOR MEANS IN SAID CHAMBER POSITIONED TO CONTACT OPPOSITE POLES OF AT LEAT TWO OF SAID BATTERIES; LAMP POSITIONING MEANS MOUNTED IN SAID BODY TO POSITION A LAMP WITH ONE OF THE LAMP TERMINALS ELECTRICALLY CONNECTED TO THE REMAINING POLE OF ONE OF SAID BATTERIES; SAID LAMP POSITIONING MEANS INCLUDING A CONDUCTIVE PORTION IN CONTACT WITH THE OTHER TERMINAL OF SAID LAMP; SWITCH MEANS FOR SELECTIVELY ELECTRICALLY INTERCONNECTING SAID CONDUCTIVE PORTION WITH THE REMAINING POLE OF ANOTHER OF SAID BATTERIES, INCLUDING A METALLIC CONTACT STRIP SECURED TO SAID BODY IN A FIXED POSITION TO CONTACT THE REMAINING POLE OF THE SAID ANOTHER OF SAID BATTERIES, AND A METALLIC SWITCHING STRIP MOVABLY MOUNTED ON SAID BODY AND ARRANGED TO SLIDINGLY ENAGAGE SAID CONTACT STRIP AT ALL TIMES BUT SELECTIVELY ENGAGE SAID CONDUCTIVE PORTION ONLY IN ONE POSITION TO WHICH IT IS MOVABLE; AND MEANS ACCESSIBLE FROM THE EXTERIOR OF SAID BODY FOR SELECTIVELY MOVING SAID SWITCHING STRIP INTO AND OUT OF SAID POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |