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US4298919A Expired / Lapsed US ⏱️ 0.0 years remaining

Lamp house structure for illumination devices

Assignee: Topcon Corp
•
Filing: 1979-09-05
•
Granted: 1981-11-03
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Expires: 1999-09-05
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Abstract

Abstract An illumination device has a lamp house comprising a body and a cap detachably attached to the body. A pair of electrically conductive jacks are provided for engagement with a connector element on a power supply cable. One of the jacks is carried on the body and the other on the cap whereby the cap cannot be removed from the body as long as the connector element is engaged with the jacks.

Inventors

  • 👤 Yukinori Karasawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 05:48
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/46; F; F21; F21V; F21V25/00; F21V25/02; F21V25/04; Y; Y10; Y10S; Y10S362/00; Y10S362/804; Y10S439/00; Y10S439/911; Y10S439/918

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 100 words
A lamp house for an illuminating device, which comprises a body, a cap which is adapted to be detachable attached to the body, means for mounting at least one illumination lamp, at least a pair of electrically conductive jacks respectively connected with said lamp and adapted to be mechanically and electrically engaged with a connector element for a power supply cable, one of said jacks being securely mounted on said body and the other being securely mounted on said cap such that removal of said cap from said body is prevented when the jacks are engaged with said connector element.
Claim 2
Dependent Claim 100 words
A lamp house for an illuminating device, which comprises a body, a cap which is adapted to be detachable attached to the body, means for mounting at least one illumination lamp, at least a pair of electrically conductive jacks respectively connected with said lamp and adapted to be mechanically and electrically engaged with a connector element for a power supply cable, one of said jacks being securely mounted on said body and the other being securely mounted on said cap such that removal of said cap from said body is prevented when the jacks are engaged with said connector element.
Claim 3
Dependent Claim 46 words
A lamp house in accordance with claim 1 in which one of the body and the cap is formed with a wall which is adapted to encircle said jacks to define a receptacle of an electric connector assembly when the cap is attached to the body.
Claim 4
Dependent Claim 32 words
A lamp house in accordance with claim 2 in which the wall is formed with a cut-off for passing one of the jacks when the cap is being attached to the body.

References Cited (Backward Citations)

US1186454A Cited
US2254988A Cited
US2550234A Cited
US2678381A Cited
US2651301A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-11-02 1985-05-04 1985-11-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-11-02 1989-05-04 1989-11-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-11-02 1993-05-04 1993-11-03 $7700.00 Window Closed / Lapsed

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