Multiple automatic battery tester and charger

• US 3,293,529 A
• Filed: 12/23/1963
• Issued: 12/20/1966
• Est. Priority Date: 12/23/1963
• Status: Expired due to Term

• Current Assignee: John G. Fontaine
• Original Assignee: John G. Fontaine
• Inventors: Fontaine, John G.
• Application Number:
  US04/332,559
• Time in Patent Office: 1,093 Days
• US Class Current: 320/119
• CPC Class Codes: G01R 31/005 Testing of electric installations on transport means
• CPC Class Codes: H01M 10/441 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H02J 7/0013 acting upon several batteries simultaneously or sequentially H02J7/1423 takes precedence
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y10S 320/21 State of charge of battery

Claims

1. AN APPARATUS FOR TESTING AND CHARAGING A GROUP OF BATTERIES COMPRISING, MEANS OPERATING TO TEST CURRENT OUTPUT FROM THE BATTERIES IN THE GROUP AT SPACED, PREDETERMINED INTERVALS, A BATTERY CHARGER, AND MEANS CONTROLLED BY THE TESTING MEANS FOR SETTING THE CHARGER IN OPERATION TO SUPPLY CHARGING CURRENT TO EITHER ALL OR ANY ONE OF THE BATTERIES WHEN THE CHARGE LEVEL IN ALL OF THE BATTERIES OR ANY ONE OF THEM IN THE GROUP IS BELOW A PREDETERMINED POINT AND IS INDICATED BY THE TESTING MEANS.