US3082371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery testing device
Assignee: Motors Liquidation Co
•
Filing: 1959-02-18
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Granted: 1963-03-19
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Expires: 1979-02-18
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 16:49
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)
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 |