Push cart transferable to a back holder or a chair

Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C280S047180, C280S645000, C280S652000, C297S129000, C403S097000

Reexamination Certificate

active

06789809

ABSTRACT:

BACKGROUND OF THE INVENTION
1) Field of the Invention
The present invention relates to a push cart transferable to a back holder or a chair, more particularly to a foldable device to be optionally assembled into a push cart, a back holder or a chair after a series of expansion and combination.
2) Description of the Prior Art
Accordingly, the structure of a prior art push cart can only function as a push cart, a back holder or a chair. In other words, a single chair can't be alternatively used as a back holder or a push cart.
Therefore, how to transfer a push cart into a back holder or a chair through a simple expansion and assembly is the research issue of the present invention.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a push cart transferable to a back holder and a chair for achieving the effect of functioning multiply by transferring one object into a push cart, a back holder or a chair through a simple expansion and assembly.
To enable a further understanding of the effect achieved by the features of the present invention, the brief description of the drawings below is followed by the detailed description of the preferred embodiment.


REFERENCES:
patent: 1671774 (1928-05-01), McIntosh
patent: 2957700 (1960-10-01), Beaurline
patent: 3054622 (1962-09-01), Davis et al.
patent: 3997213 (1976-12-01), Smith et al.
patent: 4733905 (1988-03-01), Buickerood et al.
patent: 4824167 (1989-04-01), King
patent: 5161811 (1992-11-01), Cheng
patent: 5213360 (1993-05-01), Lin
patent: 5306027 (1994-04-01), Cheng
patent: 5356197 (1994-10-01), Simic
patent: 5374073 (1994-12-01), Hung-Hsin
patent: 5533654 (1996-07-01), Holty et al.
patent: 5542740 (1996-08-01), Chang
patent: 5765665 (1998-06-01), Cheng et al.
patent: 5769431 (1998-06-01), Cordova
patent: 5863055 (1999-01-01), Kasravi et al.
patent: 5938230 (1999-08-01), Huang et al.
patent: 6082757 (2000-07-01), Lin
patent: 6308805 (2001-10-01), Lan
patent: 6375200 (2002-04-01), Harter
patent: 6447002 (2002-09-01), Fang
patent: 6547324 (2003-04-01), Ammann, Jr.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Push cart transferable to a back holder or a chair does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Push cart transferable to a back holder or a chair, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Push cart transferable to a back holder or a chair will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3255366

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.