US3206594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric flashlight
Assignee: Individual
•
Filing: 1963-06-11
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Granted: 1965-09-14
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Meyer M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:16
CPC Classifications
F; F21; F21L; F21L2/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
243 words
A BATTERY OPERATED ELECTRIC FLASHLIGHT COMPRISING A CASING HAVING A BASE PART AND A COVER PART, THE BASE PART HAVING IN ITS SIDE WALLS A LIGHT WINDOW AND AN OPENING FOR A SWITCH BUTTON AND IN ITS BOTTOM WALL A DIVIDER RISING THEREFROM AND DIVIDING THE INTERIOR OF THE CASING IN SEVERAL INTERCONNECTED COMPARTMENTS, A STORAGE BATTERY FITTED IN ONE OF SAID COMPARTMENTS AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, AN INCANDESCENT LIGHT BULB FITTED IN ANOTHER OF SAID COMPARTMENTS AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, THE FILAMENT OF SAID LIGHT BULB BEING PLACED IN OPTICAL ALIGNMENT WITH SAID LIGHT WINDOW, A SWITCH BUTTON SLIDABLY INSERTED IN SAID WALL OPENING, A FIRST CONDUCTOR FITTED IN A THIRD COMPARTMENT AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, SAID CONDUCTOR BEING IN CONTINUOUS CONDUCTIVE ENGAGEMENT WITH THE BASE TERMINAL OF SAID LIGHT BULB AND HAVING A SPRING ARM BIASED INTO A POSITION ADJACENT TO BUT SPACED APART FROM ONE TERMINAL OF THE BATTERY AND BIASING SAID BUTTON OUTWARDLY, AND A SECOND CONDUCTOR CONNECTING THE SECOND TERMINAL OF THE LIGHT BULB WITH THE SECOND TERMINAL OF THE BATTERY, SAID SECOND CONDUCTOR BEING SECURED TO SAID COVER PART WHEREBY PRESSING IN OF THE SWITCH BUTTON MOVES SAID SPRINGY ARM INTO ENGAGEMENT WITH SAID ONE BATTERY TERMINAL AND THUS CLOSING AN ENERGIZING CIRCUIT FOR THE LIGHT BULB.
Claim 2
Dependent Claim
243 words
A BATTERY OPERATED ELECTRIC FLASHLIGHT COMPRISING A CASING HAVING A BASE PART AND A COVER PART, THE BASE PART HAVING IN ITS SIDE WALLS A LIGHT WINDOW AND AN OPENING FOR A SWITCH BUTTON AND IN ITS BOTTOM WALL A DIVIDER RISING THEREFROM AND DIVIDING THE INTERIOR OF THE CASING IN SEVERAL INTERCONNECTED COMPARTMENTS, A STORAGE BATTERY FITTED IN ONE OF SAID COMPARTMENTS AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, AN INCANDESCENT LIGHT BULB FITTED IN ANOTHER OF SAID COMPARTMENTS AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, THE FILAMENT OF SAID LIGHT BULB BEING PLACED IN OPTICAL ALIGNMENT WITH SAID LIGHT WINDOW, A SWITCH BUTTON SLIDABLY INSERTED IN SAID WALL OPENING, A FIRST CONDUCTOR FITTED IN A THIRD COMPARTMENT AND HELD IN POSITION BY SAID DIVIDER AND ADJACENT WALL PORTIONS OF THE CASING, SAID CONDUCTOR BEING IN CONTINUOUS CONDUCTIVE ENGAGEMENT WITH THE BASE TERMINAL OF SAID LIGHT BULB AND HAVING A SPRING ARM BIASED INTO A POSITION ADJACENT TO BUT SPACED APART FROM ONE TERMINAL OF THE BATTERY AND BIASING SAID BUTTON OUTWARDLY, AND A SECOND CONDUCTOR CONNECTING THE SECOND TERMINAL OF THE LIGHT BULB WITH THE SECOND TERMINAL OF THE BATTERY, SAID SECOND CONDUCTOR BEING SECURED TO SAID COVER PART WHEREBY PRESSING IN OF THE SWITCH BUTTON MOVES SAID SPRINGY ARM INTO ENGAGEMENT WITH SAID ONE BATTERY TERMINAL AND THUS CLOSING AN ENERGIZING CIRCUIT FOR THE LIGHT BULB.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |