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US4903859B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Container for flowable materials

Assignee: BETTER AGRICULTURAL GOALS Corp D/B/A BAG CORP A CORPORATION OF TEXAS
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Filing: 1988-09-23
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Granted: 2000-04-18
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Expires: 2008-09-23
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Abstract

Abstract An improved flexible semi-bulk container (10) utilizing rigid panels (24, 26, 28, 30) associated with the side walls (12, 14, 16, 18) of the flexible container to provide rigidity and enable the container (10) to stand alone when filled with fluidized material such as fluidized solids, semi-solids, slurries and liquids.

Inventors

  • 👤 Norwin C Derby
  • 👤 Ernest J Benson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:44
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/1612; B65D88/1618; B65D88/1625

Claims Analysis

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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) 2003-04-18 2003-10-18 2004-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-04-18 2007-10-18 2008-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-04-18 2011-10-18 2012-04-18 $7700.00 Window Closed / Lapsed

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