Patent US5050353C1 successfully refreshed from Google Patents.
US5050353C1
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US
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Foldable multi-level staging and seating support
Assignee: Stageright Corp
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Filing: 1990-07-06
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Granted: 2001-05-01
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Expires: 2010-07-06
Abstract
Abstract A staging and seating understructure which provides a base frame for a multiplicity of support panels (P). The base frame consists of a series of vertical cross frames, usually having different levels, each cross frame being connected to another cross frame by collapsible gates (30, 32) at each end which fold inwardly to allow movement of the cross frames close toward each other wherein the entire base frame assembly may be stored compactly. <IMAGE>
Inventors
- 👤 Orley D Rogers
- 👤 Kenneth E Staten
- 👤 Calvin K Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:38
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/22; E04H3/24; E04H3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-04-30 | 2004-10-30 | 2005-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-04-30 | 2008-10-30 | 2009-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-04-30 | 2012-10-30 | 2013-05-01 | $7700.00 | Window Closed / Lapsed |