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Class Information
Number: 340/287
Name: Communications: electrical > Systems > Signal box type (e.g., to call messenger, plural fire alarm boxes)
Description: Subject matter in which the transmitter is of the signal box type.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7577420 |
Instant help security system for emergency help using 2G, 2.5G and 3G cellular wirelesses half duplex call |
Aug. 18, 2009 |
| 7408477 |
Fire alarm pull station with audio deterrent |
Aug. 5, 2008 |
| 7391302 |
Car-used lock with alerting function |
Jun. 24, 2008 |
| 7346933 |
Ultrasonic sensor component signal communication to standalone universal serial bus keyboard emulator for entry/exit computer proximity determination |
Mar. 18, 2008 |
| 7289023 |
Supervised guard tour tracking systems and methods |
Oct. 30, 2007 |
| 7286048 |
Supervised guard tour systems and methods |
Oct. 23, 2007 |
| 7098782 |
Method and apparatus for temporary muting of smoke alarms |
Aug. 29, 2006 |
| 6889137 |
Navigation method and navigation system for motor vehicles |
May. 3, 2005 |
| 6858802 |
Extension ring for electrical junction box installations |
Feb. 22, 2005 |
| 6829513 |
Fire detection system and method for configuring |
Dec. 7, 2004 |
| 6765477 |
Apparatus and method for activating a non-contact switch fire alarm pull station |
Jul. 20, 2004 |
| 6727815 |
Fire alarm system |
Apr. 27, 2004 |
| 6693534 |
Emergency alarm system using pull-station with camera |
Feb. 17, 2004 |
| 6618582 |
Customer service system with feedback and method for operating |
Sep. 9, 2003 |
| 6380846 |
Pull station |
Apr. 30, 2002 |
| 6121885 |
Combination smoke detector and severe weather warning device |
Sep. 19, 2000 |
| 6103972 |
Junction box and assembly |
Aug. 15, 2000 |
| 6100789 |
Fire control and indicating equipment |
Aug. 8, 2000 |
| 6060979 |
Call box apparatus |
May. 9, 2000 |
| 6052052 |
Portable alarm system |
Apr. 18, 2000 |
| 5955939 |
Alarm station protector capable of being accessed by disabled individuals |
Sep. 21, 1999 |
| 5949332 |
Fire alarm radio transmitter and receiver set |
Sep. 7, 1999 |
| 5883568 |
Alarm system for detecting excess temperature in electrical wiring |
Mar. 16, 1999 |
| 5831543 |
Fire alarm glass cover frame |
Nov. 3, 1998 |
| 5760678 |
Manual modular pull station |
Jun. 2, 1998 |
| 5654684 |
Alarm system for detecting excess temperature in electrical wiring |
Aug. 5, 1997 |
| 5532677 |
Variable distance marker |
Jul. 2, 1996 |
| 5283546 |
Vandal-resistant call box |
Feb. 1, 1994 |
| 5227776 |
Combined alarm, security and rescue system |
Jul. 13, 1993 |
| 4728928 |
Call switch for wet areas |
Mar. 1, 1988 |
| 4638297 |
Remote signaling box |
Jan. 20, 1987 |
| 4600914 |
Apparatus for directing attention to specific locations such as emergency exits |
Jul. 15, 1986 |
| 4551707 |
Fire alarm pull station |
Nov. 5, 1985 |
| 4389635 |
Interfacing attachment for remote mechanical fire alarms |
Jun. 21, 1983 |
| 4359719 |
Hall effect alarm pull station |
Nov. 16, 1982 |
| 4164731 |
Electrical communication signalling device |
Aug. 14, 1979 |
| 4162485 |
Fire protection apparatus |
Jul. 24, 1979 |
| 4141007 |
Central alarm conditioning detecting and alerting system |
Feb. 20, 1979 |
| 4118694 |
Base loop code transmitter |
Oct. 3, 1978 |
| 4017844 |
Fire protection apparatus |
Apr. 12, 1977 |
| 3986184 |
Method and apparatus for deterring false alarms |
Oct. 12, 1976 |
| 3942176 |
Ultrasonic alarm system |
Mar. 2, 1976 |
| 3939385 |
Signalling apparatus for ships |
Feb. 17, 1976 |
| 3937890 |
Remote monitoring communication system and terminal for utility meters |
Feb. 10, 1976 |
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