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US3082371A Expired / Lapsed US ⏱️ 0.0 years remaining

Battery testing device

Assignee: Motors Liquidation Co
•
Filing: 1959-02-18
•
Granted: 1963-03-19
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Expires: 1979-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Floyd J Foust
  • 👤 Jr Oliven W Childress
  • 👤 Jack L Snowden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 23:31
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 58 words
A METHOD OF TESTING A DRY STORAGE BATTERY FOR DEFECTS, THE STEPS COMPRISING, PROVIDING A SOURCE OF HIGHFREQUENCY ENERGY POWERED BY A DIRECT CURRENT POWER SUPPLY, APPLYING HIGH-FREQUENCY ENERGY TO SAID STORAGE BATTERY BY CONNECTING THE OUTPUT TERMINALS OF SAID SOURCE ACROSS THE TERMINAL POSTS OF THE BATTERY, AND THEN MEASURING THE OUTPUT CURRENT OF THE POWER SUPPLY.
Claim 2
Independent Claim 58 words
A METHOD OF TESTING A DRY STORAGE BATTERY FOR DEFECTS, THE STEPS COMPRISING, PROVIDING A SOURCE OF HIGHFREQUENCY ENERGY POWERED BY A DIRECT CURRENT POWER SUPPLY, APPLYING HIGH-FREQUENCY ENERGY TO SAID STORAGE BATTERY BY CONNECTING THE OUTPUT TERMINALS OF SAID SOURCE ACROSS THE TERMINAL POSTS OF THE BATTERY, AND THEN MEASURING THE OUTPUT CURRENT OF THE POWER SUPPLY.

References Cited (Backward Citations)

US2264968A Cited
US2645563A Cited
US2518045A Cited
US2593131A Cited
US3020745A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-18 1966-09-17 1967-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-18 1970-09-17 1971-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-18 1974-09-17 1975-03-19 $7700.00 Window Closed / Lapsed

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