Patent US3097798A successfully refreshed from Google Patents.
US3097798A
Expired / Lapsed
US
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Flashlights
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1960-09-16
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Granted: 1963-07-16
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Gerhard
- 👤 Feindt Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:42
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21L4/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
IN A FLASHLIGHT INCORPORATING A CASING HAVING A LONGITUDINAL AXIS AND A PARTITION TRANSVERSE TO SAID AXIS AND DIVIDING THE INTERIOR OF SAID CASING INTO TWO SECTIONS, A RECHARGEABLE BATTERY ARRANGED IN SAID CASING, A RECHARGING UNIT ALSO ARRANGED IN SAID CASING AND ELECTRICALLY CONNECTED TO SAID BATTERY, A PAIR OF PRONGS ELECTRICALLY CONNECTED TO SAID RECHARGING UNIT AND ENABLING THE FLASHLIGHT TO BE ELECTRICALLY AND MECHANICALLY CONNECTED TO A SOURCE OF ELECTRICAL ENERGY, AND A COVER REMOVABLY MOUNTED ON SAID CASING FOR COVERING SAID PRONGS WHEN THE SAME ARE DISCONNECTED FROM THE SOURCE OF ELECTRICAL ENERGY, THE IMPROVEMENT WHICH COMPRISES: A LAMP ARRANGED GENERALLY BETWEEN SAID PRONGS AND OCCUPYING ALONG SAID LONGITUDINAL AXIS OF SAID CASING A POSITION SPACED INWARDLY FROM THE FREE OUTER ENDS OF SAID PRONGS, AND RESISTOR MEANS ELECTRICALLY INTERPOSED BETWEEN SAID PRONGS AND SAID RECHARGING UNIT AND OCCUPYING IN SAID CASING APPROXIMATELY THE SAME POSITION ALONG SAID LONGITUDINAL AXIS AS DOES SAID LAMP, SAID LAMP AND SAID RESISTOR MEANS BEING LOCATED IN ONE OF SAID SECTIONS OF SAID CASING, SAID RECHARGEABLE BATTERY AND SAID RECHARGING UNIT BEING LOCATED IN THE OTHER OF SAID SECTIONS OF SAID CASING, WHEREBY THE HEAT GENERATING COMPONENTS OF THE FLASHLIGHT ARE GROUPED TOGETHER IN ONE PLACE AND THE HEAT-SENSITIVE COMPONENTS OF THE FLASHLIGHT ARE GROUPED TOGETHER IN ANOTHER PLACE.
Claim 2
Dependent Claim
219 words
IN A FLASHLIGHT INCORPORATING A CASING HAVING A LONGITUDINAL AXIS AND A PARTITION TRANSVERSE TO SAID AXIS AND DIVIDING THE INTERIOR OF SAID CASING INTO TWO SECTIONS, A RECHARGEABLE BATTERY ARRANGED IN SAID CASING, A RECHARGING UNIT ALSO ARRANGED IN SAID CASING AND ELECTRICALLY CONNECTED TO SAID BATTERY, A PAIR OF PRONGS ELECTRICALLY CONNECTED TO SAID RECHARGING UNIT AND ENABLING THE FLASHLIGHT TO BE ELECTRICALLY AND MECHANICALLY CONNECTED TO A SOURCE OF ELECTRICAL ENERGY, AND A COVER REMOVABLY MOUNTED ON SAID CASING FOR COVERING SAID PRONGS WHEN THE SAME ARE DISCONNECTED FROM THE SOURCE OF ELECTRICAL ENERGY, THE IMPROVEMENT WHICH COMPRISES: A LAMP ARRANGED GENERALLY BETWEEN SAID PRONGS AND OCCUPYING ALONG SAID LONGITUDINAL AXIS OF SAID CASING A POSITION SPACED INWARDLY FROM THE FREE OUTER ENDS OF SAID PRONGS, AND RESISTOR MEANS ELECTRICALLY INTERPOSED BETWEEN SAID PRONGS AND SAID RECHARGING UNIT AND OCCUPYING IN SAID CASING APPROXIMATELY THE SAME POSITION ALONG SAID LONGITUDINAL AXIS AS DOES SAID LAMP, SAID LAMP AND SAID RESISTOR MEANS BEING LOCATED IN ONE OF SAID SECTIONS OF SAID CASING, SAID RECHARGEABLE BATTERY AND SAID RECHARGING UNIT BEING LOCATED IN THE OTHER OF SAID SECTIONS OF SAID CASING, WHEREBY THE HEAT GENERATING COMPONENTS OF THE FLASHLIGHT ARE GROUPED TOGETHER IN ONE PLACE AND THE HEAT-SENSITIVE COMPONENTS OF THE FLASHLIGHT ARE GROUPED TOGETHER IN ANOTHER PLACE.
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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |