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US2887522A Expired / Lapsed US ⏱️ 0.0 years remaining

Storage battery and method of making same

Assignee: Motors Liquidation Co
•
Filing: 1957-01-18
•
Granted: 1959-05-19
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Expires: 1977-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Robert P Mackenzie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:02
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/06; H01M10/12; H01M10/128; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/414; H01M50/429; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 132 words
IN A METHOD FOR MAKING DRY CHARGED STORAGE BATTERIES, THE STEPS COMPRISING ASSEMBLING CELL GROUPS INCLUDING NEGATIVE AND POSITIVE PLATES SEPARATED BY SEPARATORS TAKEN FROM THE CLASS CONSISTING OF PAPER AND PLASTICS WHICH SEPARATORS HAVE BEEN PREVIOUSLY TREATED WITH A WETTING AGENT, CHARGING AND FORMING HE CELL GROUPS IN BATTERY ACID, REMOVING THE BATTERY ACID FROM THE CELL GROUPS, WASHING THE CELL GROUPS FREE FROM ACID, TREATING THE WET, CHARGED AND FORMED CELL GROUPS WITH A WETTING AGENT THAT IS NOT DELETERIOUSLY AFFECTED BY THE HEAT OF THE SUBSEQUENT DRYING STEP, DRYING THE CELL GROUPS UNDER CONTROLLED CONDITIONS OF TEMPERATURE AND IN A SUBSTANTIALLY NONOXSIDIZING ATMOSPHERE, AND FINALLY ASSEMBLING THE DRIED AND CHARGED CELL GROUPS IN BATTERY CASES WHEREBY FULLY CHARGED, READY-TO-USE BATTERIES ARE AVAILABLE UPON SUBSEQUENT ADDITION OF BATTERY ACID THERETO.
Claim 2
Dependent Claim 132 words
IN A METHOD FOR MAKING DRY CHARGED STORAGE BATTERIES, THE STEPS COMPRISING ASSEMBLING CELL GROUPS INCLUDING NEGATIVE AND POSITIVE PLATES SEPARATED BY SEPARATORS TAKEN FROM THE CLASS CONSISTING OF PAPER AND PLASTICS WHICH SEPARATORS HAVE BEEN PREVIOUSLY TREATED WITH A WETTING AGENT, CHARGING AND FORMING HE CELL GROUPS IN BATTERY ACID, REMOVING THE BATTERY ACID FROM THE CELL GROUPS, WASHING THE CELL GROUPS FREE FROM ACID, TREATING THE WET, CHARGED AND FORMED CELL GROUPS WITH A WETTING AGENT THAT IS NOT DELETERIOUSLY AFFECTED BY THE HEAT OF THE SUBSEQUENT DRYING STEP, DRYING THE CELL GROUPS UNDER CONTROLLED CONDITIONS OF TEMPERATURE AND IN A SUBSTANTIALLY NONOXSIDIZING ATMOSPHERE, AND FINALLY ASSEMBLING THE DRIED AND CHARGED CELL GROUPS IN BATTERY CASES WHEREBY FULLY CHARGED, READY-TO-USE BATTERIES ARE AVAILABLE UPON SUBSEQUENT ADDITION OF BATTERY ACID THERETO.

References Cited (Backward Citations)

US1478708A Cited
US1478786A Cited
GB383201A Cited
US2662032A Cited
US2662107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-05-18 1962-11-17 1963-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-05-18 1966-11-17 1967-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-05-18 1970-11-17 1971-05-19 $7700.00 Window Closed / Lapsed

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