← Back to Patent Explorer
US3244871A Expired / Lapsed US ⏱️ 0.0 years remaining

Pocket flashlight

Assignee: Individual
•
Filing: 1963-08-09
•
Granted: 1966-04-05
•
Expires: 1983-08-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Feldman Lawrence

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:28
CPC Classifications
F; F21; F21L; F21L4/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 281 words
A FLASHLIGHT, COMPRISING: AN INTEGRAL, OPAQUE BODY MADE OF PLASTIC AND HAVING A BORE THERETHROUGH, SAID BORE BEING GENERALLY CYLINDRICAL NEAR THE REAR END THEREOF TO ACCOMMODATE AT LEAST ONE FLASHLIGHT BATTERY AND INCLUDING A DOWNWARDLY TAPERING POSTION AT THE FRONT END THEREOF; A TRANSPARENT, INTEGRAL DOME MADE OF PLASTIC SECURED TO THE FRONT END OF SAID BODY, SAID DOME HAVING A RECESS THEREIN WHICH IS CLOSED AT THE FRONT END THEREOF AND WHICH HAS AN OPEN REAR END POSITIONED TO CONFRONT SAID BORE, SAID RECESS EXTENDING AXIALLY FORWARDLY FROM THE FRONT END OF SAID BODY; A BULB, THE BASE END OF SAID BULB BEING RECEIVED AND SEATED WITHIN THE TAPERED FRONT END OF SAID BORE IN SAID BODY, AND AT LEAST A PORTION OF THE FILAMENT-END OF SAID BULB BEING RECEIVED WITHIN SAID RECESS IN SAID PLASTIC DOME AND PROJECTING BEYOND THE FORWARD END OF SAID BODY; A COIL SPRING, ONE END OF SAID SPRING BEING IN ENGAGMENT WITH THE BASE OF SAID BULB, AND THE OTHER END THEREOF PROJECTING REARWARDLY FROM SAID BASE TO ENGAGE WITH A BATTERY RECEIVED WITHIN THE CLYINDRICAL REAR PORTION OF SAID BORE, SAID CLYINDRICAL PORTION BEING LONGER THAN SAID BATTERY SO THAT SAID BATTERY CAN BE SLID FORWARDLY AGAINST THE FORCE OF SAID COIL SPRING TO ENGAGE THE BASE OF SAID BULB; A COVER AT LEAST PARTIALLY RECEIVED AND DETACHABLY SECURED WITHIN THE REAR END OF SAID BORE, SAID COVER HAVING AN AXIALLY EXTENDING OPENING THERETHROUGH; AND A PUSHBUTTON FLOATINGLY RECEIVED WITHIN SAID BORE AND INCLUDING A DISK PORTION DISPOSED BETWEEN SAID COVER AND SAID BATTERY, AND A SHAFT PORTION RECEIVED WITHIN SAID WHICH IS OF SUFFICIENT LENGTH TO PROJECT THROUGH SAID COVER OPENING.
Claim 2
Dependent Claim 281 words
A FLASHLIGHT, COMPRISING: AN INTEGRAL, OPAQUE BODY MADE OF PLASTIC AND HAVING A BORE THERETHROUGH, SAID BORE BEING GENERALLY CYLINDRICAL NEAR THE REAR END THEREOF TO ACCOMMODATE AT LEAST ONE FLASHLIGHT BATTERY AND INCLUDING A DOWNWARDLY TAPERING POSTION AT THE FRONT END THEREOF; A TRANSPARENT, INTEGRAL DOME MADE OF PLASTIC SECURED TO THE FRONT END OF SAID BODY, SAID DOME HAVING A RECESS THEREIN WHICH IS CLOSED AT THE FRONT END THEREOF AND WHICH HAS AN OPEN REAR END POSITIONED TO CONFRONT SAID BORE, SAID RECESS EXTENDING AXIALLY FORWARDLY FROM THE FRONT END OF SAID BODY; A BULB, THE BASE END OF SAID BULB BEING RECEIVED AND SEATED WITHIN THE TAPERED FRONT END OF SAID BORE IN SAID BODY, AND AT LEAST A PORTION OF THE FILAMENT-END OF SAID BULB BEING RECEIVED WITHIN SAID RECESS IN SAID PLASTIC DOME AND PROJECTING BEYOND THE FORWARD END OF SAID BODY; A COIL SPRING, ONE END OF SAID SPRING BEING IN ENGAGMENT WITH THE BASE OF SAID BULB, AND THE OTHER END THEREOF PROJECTING REARWARDLY FROM SAID BASE TO ENGAGE WITH A BATTERY RECEIVED WITHIN THE CLYINDRICAL REAR PORTION OF SAID BORE, SAID CLYINDRICAL PORTION BEING LONGER THAN SAID BATTERY SO THAT SAID BATTERY CAN BE SLID FORWARDLY AGAINST THE FORCE OF SAID COIL SPRING TO ENGAGE THE BASE OF SAID BULB; A COVER AT LEAST PARTIALLY RECEIVED AND DETACHABLY SECURED WITHIN THE REAR END OF SAID BORE, SAID COVER HAVING AN AXIALLY EXTENDING OPENING THERETHROUGH; AND A PUSHBUTTON FLOATINGLY RECEIVED WITHIN SAID BORE AND INCLUDING A DISK PORTION DISPOSED BETWEEN SAID COVER AND SAID BATTERY, AND A SHAFT PORTION RECEIVED WITHIN SAID WHICH IS OF SUFFICIENT LENGTH TO PROJECT THROUGH SAID COVER OPENING.

References Cited (Backward Citations)

US2008915A Cited
US2171304A Cited
US2249690A Cited
US2245349A Cited
US2261320A Cited
US2525414A Cited
US2583491A Cited
DE837417C Cited
US3045111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-04 1969-10-04 1970-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-04 1973-10-04 1974-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-04 1977-10-04 1978-04-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag