US3293529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple automatic battery tester and charger
Assignee: Individual
•
Filing: 1963-12-23
•
Granted: 1966-12-20
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 John G Fontaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:48
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/005; H; H01; H01M; H01M10/00; H01M10/42; H01M10/44; H01M10/441; H02; H02J; H02J7/00; H02J7/50; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S320/00; Y10S320/18; Y10S320/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
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.
Claim 2
Independent Claim
85 words
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.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |