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
Client device systems and methods for providing secure access to application services and associated client data hosted by an internet coupled platform
Information processing device and program for display and use of multiple windows
Driver domain as security monitor in virtualization environment
Polymorph of nilotinib hydrochloride
Growth hormone polypeptides and methods of making and using same
Mosaic image processing method
Apparatus and methods for determining and processing medical outcomes
  Randomly Featured Patents
Resin derived from acenaphthene, process for its production and intermediates in its production
Container for filled food product
Graphical interfaces for monitoring ladder logic programs
Bed
Devices for use by deaf and/or blind people
Simplified sound reproducing device having switchable circuits
1,3-dihydro-2h-indol-2-one, preparation method and pharmaceutical compositions containing same
Interface circuit
Methods of prioritizing routing resources to generate and evaluate test designs in programmable logic devices
Door assembly