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US4958874A
Expired / Lapsed
US
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Mobile exhibition unit
Assignee: Individual
•
Filing: 1988-11-17
•
Granted: 1990-09-25
•
Expires: 2008-11-17
Abstract
Abstract A mobile unit comprises a lorry trailer having side wall portions which pivot down to form an enlarged floor and upwardly-slidable panels or frames from which unfold side-roof portions, e.g. canopies or pivotable panels.
Inventors
- 👤 Leslie J. Hegedus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:34
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/025; B60P3/0252
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
92 words
A mobile unit comprising: an elongate floor; an elongate roof, said roof being stationary relative to said floor; two generally parallel and elongate side-walls, each said side-wall comprising at least two panels, said panels being pivotable relative to said elongate floor to provide an expanded unit with floor areas additional to said elongate floor and at each side thereof; and at least one side-roof portion, each said side-roof portion being mounted on an upwardly slidable structural member and unfolding from said trailer to cover at least part of said additional floor areas.
Claim 2
Dependent Claim
92 words
A mobile unit comprising: an elongate floor; an elongate roof, said roof being stationary relative to said floor; two generally parallel and elongate side-walls, each said side-wall comprising at least two panels, said panels being pivotable relative to said elongate floor to provide an expanded unit with floor areas additional to said elongate floor and at each side thereof; and at least one side-roof portion, each said side-roof portion being mounted on an upwardly slidable structural member and unfolding from said trailer to cover at least part of said additional floor areas.
Claim 3
Dependent Claim
18 words
The mobile unit of claim 1 in which said structural member is upwardly slidable relative to said roof.
Claim 4
Dependent Claim
27 words
The mobile unit of claim 2 in which said roof has opposed elongate edges and each said structural member is slidably mounted on one of said edges.
Claim 5
Dependent Claim
21 words
The mobile unit of claim 3 in which said side-roof portion includes a foldable canopy attached to each said structural member.
Claim 6
Dependent Claim
24 words
The mobile unit of claim 3 in which said side-roof portion includes a side-roof panel pivotably attached to at least one said structural member.
Claim 7
Dependent Claim
22 words
A mobile unit according to claim 1, wherein bracing members are provided between said side-roof portions on opposite sides of the unit.
Claim 8
Dependent Claim
18 words
A mobile unit according to claim 6, wherein lighting for the unit is attached to said bracing members.
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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) | 1993-09-24 | 1994-03-26 | 1994-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-24 | 1998-03-26 | 1998-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-09-24 | 2002-03-26 | 2002-09-25 | $7700.00 | Window Closed / Lapsed |