×

Device indicating the time remaining of the useful life of a battery

  • US 4,625,175 A
  • Filed: 07/14/1983
  • Issued: 11/25/1986
  • Est. Priority Date: 07/14/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A device for a battery in open circuit condition measuring in increments of time, the remaining useful life of a storage battery to the point of full discharge where the battery is used as a prime source of power, having in combinationa series circuit connected in parallel to a storage battery in an open circuit condition,means included in said series circuit indicating the entire useful range of the open circuit voltage excursion of said battery on a full scale in increments of time, andsaid means including means indicating in increments of time the remaining useful life of said battery for any particular use.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×