EXTERNAL POINT SPRING LOCKING DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 24, 2011
Grant Date -
Jun 9, 2011
app pub date -
Dec 9, 2009
filing date -
Dec 9, 2009
priority date (Note) -
Granted
status (Latency Note)
Importance
Abstract
The invention provides an external spring-loaded locking device for use with railroad switches. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
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