Closure plug
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United States of America Patent
Stats
-
Mar 31, 2015
Grant Date -
Oct 10, 2013
app pub date -
Jun 3, 2013
filing date -
Nov 18, 2002
priority date (Note) -
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Abstract
An externally threaded closure plug for tightly closing off the internally threaded opening in shipping and storage containers such as drums, pails and the like. The plug is formed as a cup having a bottom wall and threaded cylindrical sidewall terminating in a circumferentially enlarged rim. Immediately beneath the rim of the plug is a gasket seat defined by the undersurface of the plug rim, the plug sidewall and an annular gasket retaining lip lying in a plane parallel to the undersurface of the plug rim. In use, the plug is screwed into and out of a container wall opening, having an internally threaded portion and an unthreaded portion, the sealing gasket being compressed between the unthreaded opening portion and the plug gasket seat and lying in close proximity to the internal thread. The gasket seat acts to prevent interengagement of the sealing gasket and the opening internally threaded portion.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- GREIF INTERNATIONAL HOLDING BV
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kars, Herman P | Delft, NL | 11 | 52 |
Van, De Klippe Cornelis R | West Chicago, US | 12 | 135 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 30, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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