Membership
Tour
Register
Log in
3863031
Follow
Information
Patent Grant
3863031
References
Source
Patent Number
3,863,031
Date Filed
Not available
Date Issued
Tuesday, January 28, 1975
49 years ago
CPC
H04M11/04 - with fire, police, burglar, or other alarm systems
H04Q1/44 - using alternate current
H04Q9/10 - using single different frequencies
US Classifications
370 - Multiplex communications
Information
Content
Industries
Organizations
People
Transactions
Events
Impact
Timeline
Text data is not available. Click on
here
to see the original data.