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US4274130A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination flashlight and high intensity light source

Assignee: PHROBIS Ltd 1 EAST FIRST STREET RENO NEVADA A CORP OF
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Filing: 1979-08-27
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Granted: 1981-06-16
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Expires: 1999-08-27
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Abstract

Abstract A combination flashlight and high intensity light source has a case containing a flashlight bulb, a high intensity flash lamp such as a Xenon flashlamp, and circuit means for selectively energizing the bulb and lamp to continuously illuminate the bulb and/or flash the lamp. The preferred embodiment is a hand-held self-contained battery powered flashlight having an elongate tubular case with a rear battery compartment for containing dry cells in end-to-end series relation and a front enlarged head portion containing a common reflector for the light bulb and flash lamp and a circuit board mounting the flash lamp flash circuit.

Inventors

  • 👤 John B. Elliott

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:53
CPC Classifications
F; F21; F21V; F21V23/00; F21L; F21L4/00; F21L4/02; F21V33/00; F21V33/0064; F21V33/0076

Claims Analysis

Total Claims: 37
Claim 1
Independent Claim 79 words
A flashlight comprising: a case, a flashlight bulb, and a high intensity flash lamp in said case for transmitting light in the same direction from said case, and circuit means for selectively energizing said light bulb and flash lamp to continuously illuminate said bulb and flash said lamp, whereby said flashlight may be used to selectively illuminate a given area with continuous light from said bulb and illuminate the same area with high intensity light bursts from said lamp.
Claim 2
Dependent Claim 79 words
A flashlight comprising: a case, a flashlight bulb, and a high intensity flash lamp in said case for transmitting light in the same direction from said case, and circuit means for selectively energizing said light bulb and flash lamp to continuously illuminate said bulb and flash said lamp, whereby said flashlight may be used to selectively illuminate a given area with continuous light from said bulb and illuminate the same area with high intensity light bursts from said lamp.
Claim 3
Dependent Claim 16 words
The flashlight of claim 1 including a common reflector for said light bulb and flash lamp.
Claim 4
Dependent Claim 34 words
The flashlight of claim 1 wherein said case is an elongate tubular case having a rear cylindrical portion containing a battery compartment and a front head portion containing said light bulb and flash lamp.
Claim 5
Dependent Claim 21 words
The flashlight of claim 3 including: a common reflector in said case head portion for said light bulb and flash lamp.
Claim 6
Dependent Claim 30 words
The flashlight of claim 1 wherein: said flash lamp is situated directly in front of said light bulb, and said flashlight includes a common reflector for said bulb and lamp.
Claim 7
Dependent Claim 26 words
The flashlight of claim 5 wherein: said flash lamp is an elongate lamp extending diametrically across said reflector and supported at its ends in said reflector.
Claim 8
Dependent Claim 37 words
The flashlight of claim 1 including: a transparent sleeve coaxially surrounding said light bulb, and said flash lamp is an elongate lamp extending diametrically across and supported at its ends on the front end of said sleeve.
Claim 9
Dependent Claim 22 words
The flashlight of claim 7 including: a condensing lens at the front end of said sleeve in front of said flash lamp.
Claim 10
Dependent Claim 22 words
The flashlight of claim 5 including: a transparent lens in front of said reflector having a diametrical opening containing said flash lamp.
Claim 11
Dependent Claim 27 words
The flashlight of claim 5 wherein: said circuit means comprises a flash circuit for said flash lamp including a circuit board at the rear of said reflector.
Claim 12
Dependent Claim 37 words
The flashlight of claim 10 wherein: said case is an elongate tubular case having a rear cylindrical portion containing a battery compartment and a front head portion containing said light bulb, flash lamp, reflector, and circuit board.
Claim 13
Dependent Claim 33 words
The flashlight of claim 11 wherein: said flashlight includes a holder for said light bulb at the rear of said reflector, and said circuit board is an annular board concentrically surrounding said holder.
Claim 14
Dependent Claim 47 words
For use in a combination flashlight and high intensity light source, the combination comprising: a reflector, socket means at the base of said reflector for receiving a flashlight bulb, and means for mounting flash lamp such as a Xenon flash lamp in front of said socket means.
Claim 15
Dependent Claim 47 words
For use in a combination flashlight and high intensity light source, the combination comprising: a reflector, socket means at the base of said reflector for receiving a flashlight bulb, and means for mounting flash lamp such as a Xenon flash lamp in front of said socket means.
Claim 16
Dependent Claim 43 words
The combination of claim 13 wherein said flash lamp mounting means comprises a transparent cylinder mounted in said reflector in generally coaxial relation with and projecting forwardly of said socket means and having means at its forward end for receiving said flash lamp.
Claim 17
Dependent Claim 21 words
The combination of claim 14 including: a lens at the front end of said sleeve forwardly of said lamp receiving means.
Claim 18
Dependent Claim 24 words
The combination of claim 13 wherein: said flash lamp includes terminals, and electrical coupling means on said reflector for connection to said lamp terminals.
Claim 19
Dependent Claim 19 words
The combination of claim 16 wherein: said coupling means comprises sockets on the reflector for rewardly receiving said terminals.
Claim 20
Dependent Claim 15 words
The combination of claim 16 wherein: said coupling means provide said flash lamp mounting means.
Claim 21
Dependent Claim 29 words
The combination of claim 16 including: electrical leads disposed externally of said reflector and connected to said coupling means for connecting the latter to a flash lamp flash circuit.
Claim 22
Dependent Claim 31 words
The combination of claim 13 wherein: said flash lamp mounting means comprises a lens at the front end of said reflector, and means on said lens for receiving said flash lamp.
Claim 23
Dependent Claim 17 words
The combination of claim 20 wherein: said flash lamp receiving means comprises an opening in said lens.
Claim 24
Dependent Claim 19 words
The combination of claim 21 wherein: said lens is a disc and said opening extends edgewise through said disc.
Claim 25
Dependent Claim 46 words
For use in a combination flashlight and high intensity light source, the combination comprising: a reflector, a flashlight bulb, a high intensity flash lamp, such as a Xenon flash lamp, means mounting said bulb in said reflector, and means mounting said flash lamp in said reflector.
Claim 26
Dependent Claim 46 words
For use in a combination flashlight and high intensity light source, the combination comprising: a reflector, a flashlight bulb, a high intensity flash lamp, such as a Xenon flash lamp, means mounting said bulb in said reflector, and means mounting said flash lamp in said reflector.
Claim 27
Dependent Claim 17 words
The combination of claim 23 wherein: said flash lamp is located directly in front of said bulb.
Claim 28
Dependent Claim 22 words
The combination of claim 23 wherein: said flash lamp comprises a tube extending diametrically across said reflector in front of said bulb.
Claim 29
Dependent Claim 25 words
The combination of claim 25 wherein: said flash lamp has terminals, and electrical coupling means mounted on said reflector and connected to said lamp terminals.
Claim 30
Dependent Claim 15 words
The combination of claim 26 wherein: said coupling means provide said flash lamp mounting means.
Claim 31
Dependent Claim 16 words
The combination of claim 26 wherein: said coupling means comprise sockets receiving said flash lamp terminals.
Claim 32
Dependent Claim 23 words
The combination of claim 23 wherein: said flash lamp mounting means comprises a transparent cylinder surrounding said bulb and supporting said flash lamp.
Claim 33
Dependent Claim 15 words
The combination of claim 13 including: a flash lamp flashing circuit mounted on said reflector.
Claim 34
Dependent Claim 15 words
The combination of claim 23 including: a flash lamp flashing circuit mounted on said reflector.
Claim 35
Dependent Claim 34 words
For use in a combination flashlight and high intensity light source, the combination comprising: a transparent sleeve, and a flash lamp such as a Xenon flash lamp mounted at one end of said sleeve.
Claim 36
Dependent Claim 34 words
For use in a combination flashlight and high intensity light source, the combination comprising: a transparent sleeve, and a flash lamp such as a Xenon flash lamp mounted at one end of said sleeve.
Claim 37
Dependent Claim 20 words
The combination of claim 32 including: a lens at the front end of said sleeve forwardly of said flash lamp.

References Cited (Backward Citations)

US2520023A Cited
US2501548A Cited
US2739305A Cited
US2980889A Cited
GB908688A Cited
US4048631A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-06-15 1984-12-15 1985-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-06-15 1988-12-15 1989-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-06-15 1992-12-15 1993-06-16 $7700.00 Window Closed / Lapsed

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