Lock with locking elements respectively fitted to inner and outer sides of a door
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 7, 2004
Grant Date -
Mar 4, 2004
app pub date -
Jul 1, 2003
filing date -
Aug 29, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bi-directional lock is used on a door of a house; which is comprised of inner and outer locking elements respectively fitted to inner and outer sides of the door so that people inside the house also have to use the key to unlock the door after the door has been locked; the lock is secured to the door in such a manner that none of the screws show that are used to fasten the lock to the door, preventing thieves from easily damaging, dismantling or removing the lock from the door to open the door.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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