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Browse by Category: Main > Communications
Class Information
Number: 379/419
Name: Telephonic communications > Terminal
Description: Subject matter including an audio reproducer and microphone.










Sub-classes under this class:

Class Number Class Name Patents
379/420.01 Having loudspeaking conversation capability (e.g., hands- free type or speakerphone) 107
379/421 Having muting 59
379/428.01 Housing or housing component 294
379/422 Switch or switch actuator structure 64


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5109412 Hand-held pay station telephone dispenser and cord retractor Apr. 28, 1992
5086466 Telephone base structures for stabilizing upon support surfaces Feb. 4, 1992
5086464 Telephone headset for the hearing impaired Feb. 4, 1992
5081674 Double annular ring speaker gasket Jan. 14, 1992
4907265 Telephone set with a mechanism for preventing unwanted displacements Mar. 6, 1990
4853960 Station interface and protector apparatus Aug. 1, 1989
4817138 Telephone having a handset and a rase each having a receiver and microphone Mar. 28, 1989
4800438 Telephone console for restaurant tables Jan. 24, 1989
4782526 Telephone set Nov. 1, 1988
4782522 Terminal for a telecommunications switching system having an additional keyboard and/or visual display Nov. 1, 1988
4754484 Convertible handset/headset for telephone Jun. 28, 1988
4752961 Microphone arrangement Jun. 21, 1988
4749359 Security override network interface device Jun. 7, 1988
4741033 Telephone serving as both table mounted type and wall hung type Apr. 26, 1988
4723276 Two-module telephone terminal Feb. 2, 1988
4712234 Multi-purpose modular jack connecting block Dec. 8, 1987
4700384 Indoor telephone line demarcation box having several compartments Oct. 13, 1987
4581495 Modular telephone housing Apr. 8, 1986
4578545 Contact and terminal for telephone transmitter Mar. 25, 1986
4307266 Communication apparatus for the handicapped Dec. 22, 1981
4130742 Switch actuator for one-piece telephone Dec. 19, 1978
4056696 Flat panel telephone station set Nov. 1, 1977
3962555 Telephone handset guard Jun. 8, 1976

1 2 3










 
 
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