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Class Information
Number: 361/119
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > High voltage dissipation (e.g., lightning arrester) > Surge prevention (e.g., choke coil) > In communication systems
Description: Subject matter specifically for the protection of communication systems (e.g., radio, T.V., etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4393433 |
Overvoltage protector for telephone lines |
Jul. 12, 1983 |
| 4390921 |
Line protector and related termination arrangement |
Jun. 28, 1983 |
| 4388665 |
Apparatus for reducing electrical fault voltages in electrical conductors |
Jun. 14, 1983 |
| 4380038 |
Overvoltage protective module |
Apr. 12, 1983 |
| 4380036 |
Clip-on protector |
Apr. 12, 1983 |
| 4365282 |
Overvoltage protector using varistor initiated arc |
Dec. 21, 1982 |
| 4362347 |
Modular connector and protector |
Dec. 7, 1982 |
| 4359764 |
Connector for electromagnetic impulse suppression |
Nov. 16, 1982 |
| 4355345 |
High current draining capacity micro-lightning arrester |
Oct. 19, 1982 |
| 4351015 |
Shorting cage for protector wells |
Sep. 21, 1982 |
| 4345290 |
Electrical transient suppressor |
Aug. 17, 1982 |
| 4345294 |
Overvoltage-arrester device for terminal- or junction blocks in telecommunication equipment |
Aug. 17, 1982 |
| 4337495 |
Carbon electrode having metallic heat sink |
Jun. 29, 1982 |
| 4335416 |
Telephone protector module having flag indicator |
Jun. 15, 1982 |
| 4334257 |
Overvoltage protection device |
Jun. 8, 1982 |
| 4333121 |
Fused station protector |
Jun. 1, 1982 |
| 4328524 |
Cable head with protection for a telephone exchange distributor |
May. 4, 1982 |
| 4327393 |
Protector module base assembly with an external spark gap |
Apr. 27, 1982 |
| 4326231 |
Clip-on protector |
Apr. 20, 1982 |
| 4325100 |
Line protector for a communications circuit |
Apr. 13, 1982 |
| 4322773 |
Telephone circuit protector apparatus |
Mar. 30, 1982 |
| 4321650 |
Telephone circuit sensitive station protector |
Mar. 23, 1982 |
| 4321649 |
Surge voltage arrester with ventsafe feature |
Mar. 23, 1982 |
| 4320435 |
Surge arrester assembly |
Mar. 16, 1982 |
| 4319300 |
Surge arrester assembly |
Mar. 9, 1982 |
| 4318153 |
Sneak current fuse for telephone circuits |
Mar. 2, 1982 |
| 4317153 |
Clip-on protector |
Feb. 23, 1982 |
| 4317154 |
Communication circuit protector |
Feb. 23, 1982 |
| 4314304 |
Line protector for a communications circuit |
Feb. 2, 1982 |
| 4314302 |
Communications circuit line protector and method of making the same |
Feb. 2, 1982 |
| 4313147 |
Protective device for communication system |
Jan. 26, 1982 |
| 4309736 |
Protective device for low-voltage lines |
Jan. 5, 1982 |
| 4307430 |
Protector device for telecommunications circuits |
Dec. 22, 1981 |
| 4305109 |
Surge arrester for a plurality of lines to be safeguarded |
Dec. 8, 1981 |
| 4303959 |
Fail safe surge arrester systems |
Dec. 1, 1981 |
| 4288832 |
Two-section protection module for connecting blocks |
Sep. 8, 1981 |
| RE30724 |
Line protector having arrester and fail-safe circuit bypassing the arrester |
Aug. 25, 1981 |
| 4283747 |
Methods of making a gas tube surge protector |
Aug. 11, 1981 |
| 4282555 |
Overvoltage protection means for protecting low power semiconductor components |
Aug. 4, 1981 |
| 4277812 |
Excess voltage arrester |
Jul. 7, 1981 |
| 4275432 |
Thermal switch short circuiting device for arrester systems |
Jun. 23, 1981 |
| 4264787 |
Hazardous voltage protection circuit |
Apr. 28, 1981 |
| 4262317 |
Line protector for a communications circuit |
Apr. 14, 1981 |
| 4254442 |
Circuit for the protection of telephone lines |
Mar. 3, 1981 |
| 4253131 |
Repeater overload circuit |
Feb. 24, 1981 |
| 4241374 |
Surge voltage arrester with ventsafe feature |
Dec. 23, 1980 |
| 4241243 |
Power regulator for use with line signal repeaters which are remotely powered |
Dec. 23, 1980 |
| 4236188 |
Coaxial terminal protection device with disposable cartridge |
Nov. 25, 1980 |
| 4233641 |
Line protector for a communications circuit |
Nov. 11, 1980 |
| 4215381 |
Protector module for telephone circuits |
Jul. 29, 1980 |
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