← Back to Patent Explorer
US4998193A Expired / Lapsed US ⏱️ 0.0 years remaining

Floor lamp structure with a detachable shade

Assignee: Individual
•
Filing: 1990-04-30
•
Granted: 1991-03-05
•
Expires: 2010-04-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A floor lamp structure with a detachable shade and mainly comprises a supporting rod, a supporting stem, a trumpet-shaped member, a blub socket, a lamp shade and a retaining collar. The trumpet-shaped member is mounted on the lower end of the supporting stem while the bulb socket is mounted on the upper end of the supporting stem. The shade is mounted on the upper end of the bulb socket and is fixed in a threaded portion of the socket with a retaining collar. The lamp shade may be designed into various shapes, and is made of an opaque or transparent material. The lamp shade of the present invention can be mounted or dismounted easily and quickly.

Inventors

  • 👤 LeeYeh Chuing-Hui

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:56
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/005; F21S6/007; F21V; F21V17/00; F21V17/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 130 words
A floor lamp structure with a detachable shade comprising: a supporting rod, a supporting stem having an upper end and a lower end, a trumpet-shaped member, a bulb socket with a switch knob, and a retaining collar; wherein said supporting rod is threaded in the lower end of said supporting stem, said trumpet-shaped member is also fixedly mounted at the lower end of said supporting stem and encloses said bulb socket which is secured to the upper end of said supporting stem, said bulb socket having threads at an external upper end whereby said lamp shade can be mounted there around, said lamp shade being secured in place by said retaining collar screwed on to said bulb socket, and said lamp shade being made of an opaque or transparent material.
Claim 2
Dependent Claim 130 words
A floor lamp structure with a detachable shade comprising: a supporting rod, a supporting stem having an upper end and a lower end, a trumpet-shaped member, a bulb socket with a switch knob, and a retaining collar; wherein said supporting rod is threaded in the lower end of said supporting stem, said trumpet-shaped member is also fixedly mounted at the lower end of said supporting stem and encloses said bulb socket which is secured to the upper end of said supporting stem, said bulb socket having threads at an external upper end whereby said lamp shade can be mounted there around, said lamp shade being secured in place by said retaining collar screwed on to said bulb socket, and said lamp shade being made of an opaque or transparent material.

References Cited (Backward Citations)

US1310228A Cited
US1544941A Cited
US1840740A Cited
US2048313A Cited
US2521448A Cited
US2731547A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-03-04 1994-09-03 1995-03-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-03-04 1998-09-03 1999-03-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-03-04 2002-09-03 2003-03-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag