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US4060723A Expired / Lapsed US ⏱️ 0.0 years remaining

Flashlight assembly

Assignee: SPECIALTY ILLUMINATION Inc A CA CORP
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Filing: 1976-01-15
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Granted: 1977-11-29
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Expires: 1996-01-15
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Abstract

Abstract A flashlight assembly including a cylindrical housing defining a battery compartment and a separated lamp compartment with a circuit controlling switch located entirely on the outside of the cylindrical enclosure, the lamp compartment lying in a separate part of the cylindrical enclosure which is threadedly connected to the main portion of the enclosure, there being an electrical connector between the switch unit and the lamp and socket unit which extends from the switch on the outside of the enclosure to the interior of the lamp compartment and remains entirely outside the battery compartment.

Inventors

  • 👤 Norman C. Nelson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 04:44
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; F; F21; F21L; F21L4/00; F21L4/005; F21V; F21V23/00; F21V23/04; F21V23/0414

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 228 words
In an electric battery powered flashlight, a main body comprising an enclosure having a side wall with a battery compartment and a separated lamp compartment having a socket for a lamp, said main body incorporating portions of an electric circuit of which battery means in the battery compartment, the lamp socket and a lamp therein are parts, switch means in said circuit including contact means, one of which is movable relative to another to make and break said circuit, a connection for establishing said circuit between said switch means and one of said lamp and socket, said contact means being carried by said main body outside said battery compartment, said connection between said switch means and one of said lamp and socket means also being carried by the main body outside said battery compartment and extending into said lamp compartment, the main body enclosure being tubular and having first and second separable cylindrical sections, the first section having a male portion with threads and having a longitudinal relief through and deeper than the threads, said connection for establishing said circuit between said switch means and said one of said lamp and socket being located in said relief below the bottoms of said threads, and said second section having an opening with female threads therein and into which the male portion is threaded with said connection in the relief.
Claim 2
Dependent Claim 228 words
In an electric battery powered flashlight, a main body comprising an enclosure having a side wall with a battery compartment and a separated lamp compartment having a socket for a lamp, said main body incorporating portions of an electric circuit of which battery means in the battery compartment, the lamp socket and a lamp therein are parts, switch means in said circuit including contact means, one of which is movable relative to another to make and break said circuit, a connection for establishing said circuit between said switch means and one of said lamp and socket, said contact means being carried by said main body outside said battery compartment, said connection between said switch means and one of said lamp and socket means also being carried by the main body outside said battery compartment and extending into said lamp compartment, the main body enclosure being tubular and having first and second separable cylindrical sections, the first section having a male portion with threads and having a longitudinal relief through and deeper than the threads, said connection for establishing said circuit between said switch means and said one of said lamp and socket being located in said relief below the bottoms of said threads, and said second section having an opening with female threads therein and into which the male portion is threaded with said connection in the relief.

References Cited (Backward Citations)

US1372851A Cited
GB232100A Cited
DE665640C Cited
US2309402A Cited
US2564612A Cited
US2779832A Cited
US2818498A Cited
US3340391A Cited
US3835272A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-11-28 1981-05-30 1981-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-11-28 1985-05-30 1985-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-11-28 1989-05-30 1989-11-29 $7700.00 Window Closed / Lapsed

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