Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 200/61.63
Name: Electricity: circuit makers and breakers > Special application > Actuated concurrently with operation or use of art device > Closure, closure operator or accessory > Letter slot or box
Description: Devices in which the closure member or closure operator is associated with a mail slot or receptacle.










Patents under this class:

Patent Number Title Of Patent Date Issued
7843340 Mail delivery alert system Nov. 30, 2010
7506796 Mail delivery notification device Mar. 24, 2009
7187285 System to detect mail in a mailbox Mar. 6, 2007
6831558 Mailbox operated signal device Dec. 14, 2004
6657142 Power switch apparatus Dec. 2, 2003
5898371 Box with detecting means Apr. 27, 1999
5664728 Mail box signal device Sep. 9, 1997
5440294 Mail delivery signal system Aug. 8, 1995
5382945 Mail slot alarm Jan. 17, 1995
5023595 Mail arrival signal system Jun. 11, 1991
4872210 Curbside mailbox signal Oct. 3, 1989
4651135 Mail detector Mar. 17, 1987
4287514 Mailbox announcer Sep. 1, 1981











 
 
  Recently Added Patents
Systems and methods for arranging and labeling cardiac episodes
Methods and systems for representing missed approach information in perspective view on a cockpit display
Supply voltage generating circuit and semiconductor device having the same
Simultaneous wafer bonding and interconnect joining
Computing device with improved user interface for applications
Temporal document trainer and method
Transferring storage devices within storage device testing systems
  Randomly Featured Patents
Travel route searching method of mobile object
Circuitry and method for an at-speed scan test
Method of protecting a roadway maintenance and construction site
Method of consolidating composite articles
Storage cabinet for use in a golf cart
Surgical cartridge wall expander
Vacuum flask
Inertial pointing and positioning system
Press jig for dental handpiece bearings
System