US4867513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable cupboard
Assignee: Individual
•
Filing: 1987-10-19
•
Granted: 1989-09-19
•
Expires: 2007-10-19
Abstract
Abstract A portable cupboard formed as a collapsible container which is made from plate members hinged on their edges so that the whole container is collapsible, holding panels which enable the container to be kept solidly box-shaped and a pair of legs on top of which the container is supported.
Inventors
- 👤 Kwang S. Choi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:28
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/26; A; A47; A47B; A47B43/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A portable cupboard, comprising: a collapsible container, which consists of side panels, upper panels and lower panels; holding panels; which are engaged to backedges of the panels of said container; and a pair of legs, which support said container on the bottom wherein said legs consist of four side panels and one bottom panel to constitute a case with an open top, in which the collapsed container can be put through the open top.
Claim 2
Dependent Claim
74 words
A portable cupboard, comprising: a collapsible container, which consists of side panels, upper panels and lower panels; holding panels; which are engaged to backedges of the panels of said container; and a pair of legs, which support said container on the bottom wherein said legs consist of four side panels and one bottom panel to constitute a case with an open top, in which the collapsed container can be put through the open top.
Claim 3
Dependent Claim
35 words
A cupboard as claimed in claim 1, wherein said side panels are formed with the engaging protrusions on the top edges which are engaged to the holes formed in the lower panel of the container.
Claim 4
Dependent Claim
26 words
A cupboard as claimed in claim 1, wherein said side panels are formed with the holes for receiving the disassembled supporting poles over said bottom panels.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-09-18 | 1993-03-20 | 1993-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-18 | 1997-03-20 | 1997-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-18 | 2001-03-20 | 2001-09-19 | $7700.00 | Window Closed / Lapsed |