Polarity indicator

• US 3,259,754 A
• Filed: 10/23/1962
• Issued: 07/05/1966
• Est. Priority Date: 10/23/1962
• Status: Expired due to Term

• Current Assignee: Leslie C. Matheson
• Original Assignee: Leslie C. Matheson
• Inventors: Matheson, Leslie C.
• Application Number:
  US04/232,458
• Time in Patent Office: 1,351 Days
• US Class Current: 307/85
• CPC Class Codes: G01R 19/14 Indicating direction of current; Indicating polarity of voltage
• CPC Class Codes: Y10S 320/15 Polarity control
• CPC Class Codes: Y10T 24/3938 Lever tension

Claims

1. IN A METHOD FOR CONNECTING TOGETHER IN PROPER POLARITY FIRST AND SECOND SOURCES OF CURRENT BY FIRST AND SECOND CONDUCTORS EACH HAVING TWO ENDS WITH FIRST AND SECOND CLIPS, AND A RECTIFIER AND ELECTRIC LAMP SERIALLY NECTED ACROSS SAID CONDUCTORS, SAID METHOD COMPRISING ATTACHING FIRST AND SECOND CLIPS OF THE FIRST ENDS OF THE CONDUCTORS TO THE FIRST CURRENT SOURCE TO DETERMINED PROPER POLARITY OF THE CONDUCTORS RELATIVE TO SAID FIRST SOURCE BY ILLUMINATION OF SAID LAMP, DISCONNECTING AT LEAST ONE OF THE CLIPS ON THE FIRST END OF SAID CONDUCTORS, AND DETERMINING THE POLARITY OF SAID CONDUCTORS RELATIVE TO SAID SECOND SOURCE BY CONNECTING SAID FIRST AND SECOND CLIPS OF THE SECOND ENDS OF THE CONDUCTORS ATTACHED TO SAID SECOND SOURCE WITH AT LEAST ONE OF THE CLIPS ON THE FIRST END DISCONNECTED FROM THE FIRST SOURCE.