Mine stopping
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 1, 2003
app pub date -
Sep 30, 2002
filing date -
Nov 9, 1998
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A mine stopping installed in a mine passageway includes a rigid wall extending across the passageway to close the passageway. The wall includes a first wall section extending from one side of the passageway at a first angle and a second wall section extending from an opposite side of the passageway at an oblique angle relative to the opposite side such that the wall sections are arranged in a non-coplanar, non-parallel relationship with respect to one another. A method of installation is also disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully