Manhole cover
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 14, 2015
Grant Date -
May 29, 2014
app pub date -
Jul 3, 2012
filing date -
Jul 4, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A The manhole cover is described with a supporting structure device comprising force distribution ribs for supporting a top surface of the manhole cover which can be driven over, and a hollow force distribution cylinder arranged substantially centrally, in particular a circular force distribution cylinder, for supporting the force distribution ribs, characterised by a force distribution plate to relieve the load on the force distribution cylinder, wherein the force distribution plate at least substantially completely covers an underside of the force distribution cylinder in relation to the top surface, and wherein the force distribution ribs transform smoothly into the force distribution plate.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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