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US4589530A Expired / Lapsed US ⏱️ 0.0 years remaining

Collapsible wheeled luggage with stiffener

Assignee: Individual
•
Filing: 1985-06-26
•
Granted: 1986-05-20
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Expires: 2005-06-26
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Abstract

Abstract An improved luggage comprising a main body portion, a lid hingedly attached to one side of the main body portion, a zipper fastener provided on the main body portion and the lid, a supporting frame fastened on the inner sides of the main body portion, four casters mounted on the bottom of the main body portion, two fixing members engageable with the casters and a stiffening board capable of engaging with the casters, whereby when not in use the improved luggage may be reduced in volume thereby facilitating the storage and transportation of the luggage.

Inventors

  • 👤 Yuh Y. Sher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:58
CPC Classifications
A; A45; A45C; A45C5/00; A45C5/14; A45C7/00; A45C7/0018; A45C7/0036

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 124 words
An improved luggage comprising: a main body portion; a lid hingedly attached to one side of said main body portion; closure means provided on said main body portion and said lid for zipping up the luggage; a supporting frame fastened on inner sides of said main body portion; two fixing members each having an upper slot and two lower slots; four casters mounted on the bottom of said main body portion, each said caster having a mounting plate fixedly attached to the bottom of said main body portion and a wheel assembly connected therewith, said mounting plate being formed with two flanges engageable with the lower slots of said fixing member; and a stiffening board engageable with the upper slot of said fixing members.
Claim 2
Dependent Claim 124 words
An improved luggage comprising: a main body portion; a lid hingedly attached to one side of said main body portion; closure means provided on said main body portion and said lid for zipping up the luggage; a supporting frame fastened on inner sides of said main body portion; two fixing members each having an upper slot and two lower slots; four casters mounted on the bottom of said main body portion, each said caster having a mounting plate fixedly attached to the bottom of said main body portion and a wheel assembly connected therewith, said mounting plate being formed with two flanges engageable with the lower slots of said fixing member; and a stiffening board engageable with the upper slot of said fixing members.
Claim 3
Dependent Claim 40 words
An improved luggage as claimed in claim 1, further comprising a pull strap which is attached to said main body portion and takes the form of a loop so as to facilitate the manual act of pulling the improved luggage.
Claim 4
Dependent Claim 31 words
An improved luggage as claimed in claim 1, wherein each said wheel assembly includes a bracket connected with the mounting plate via rivets and a wheel rotatably mounted in the bracket.

References Cited (Backward Citations)

AT163331B Cited
US2710084A Cited
US3608921A Cited
US3987875A Cited
GB2022997A Cited
US4418804A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-05-19 1989-11-18 1990-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-05-19 1993-11-18 1994-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-05-19 1997-11-18 1998-05-20 $7700.00 Window Closed / Lapsed

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