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US4858092A Expired / Lapsed US ⏱️ 0.0 years remaining

Cordless conducting means for lamp

Assignee: Individual
•
Filing: 1988-12-07
•
Granted: 1989-08-15
•
Expires: 2008-12-07
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Abstract

Abstract A cordless conducting means for lamps including two half-casings, bent conductors on which a circumferential slots are arranged and two pairs of positioning means which are conductive. The conductors are retained in the positioning means so that electricity can be transmitted via the conductors and the positioning means finally to the bulb. A coat of insulating material is coated on the conductors in order to prevent electrical leakage.

Inventors

  • 👤 James Lu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:02
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/002; F21S6/003; F21V; F21V21/00; F21V21/14; F21V21/26; F21V23/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
A cordless conducting means for a lamp comprising the combination of: (a) two half-casings which are substantially rectangular and which are made of insulating material, two semi-circular cutouts being provided on each side of each half-casing, an insulating baffle being positioned in one of said half-casings to divide said half-casings into two equal chambers; (b) two pairs of positioning means which are conductive and splitable into two parts which match each other and which are retained in said chambers, each said pair fitting in a respective chamber, two semicircular recesses being provided in each part and a circular protrusion being arranged in each semicircular recess, each of the pairs of positioning means being threadably secured together; and (c) a plurality of bent conductors which are retained in said semi-circular recesses, a circumferential slot being arranged in an end of each said bent conductors, said bent conductors projecting from said positioning means and having a coat of insulating material thereon.
Claim 2
Dependent Claim 159 words
A cordless conducting means for a lamp comprising the combination of: (a) two half-casings which are substantially rectangular and which are made of insulating material, two semi-circular cutouts being provided on each side of each half-casing, an insulating baffle being positioned in one of said half-casings to divide said half-casings into two equal chambers; (b) two pairs of positioning means which are conductive and splitable into two parts which match each other and which are retained in said chambers, each said pair fitting in a respective chamber, two semicircular recesses being provided in each part and a circular protrusion being arranged in each semicircular recess, each of the pairs of positioning means being threadably secured together; and (c) a plurality of bent conductors which are retained in said semi-circular recesses, a circumferential slot being arranged in an end of each said bent conductors, said bent conductors projecting from said positioning means and having a coat of insulating material thereon.

References Cited (Backward Citations)

DE718832C Cited
US3144506A Cited
US4525773A Cited
US4449172A Cited
US4449169A Cited
US4484255A Cited
US4453204A Cited
US4779175A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-08-14 1993-02-13 1993-08-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-08-14 1997-02-13 1997-08-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-08-14 2001-02-13 2001-08-15 $7700.00 Window Closed / Lapsed

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