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US3575725A Expired / Lapsed US ⏱️ 0.0 years remaining

Battery assembly

Assignee: Duracell Inc USA
•
Filing: 1969-03-27
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Granted: 1971-04-20
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Expires: 1989-03-27
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Abstract

Abstract A HOUSING FOR A MULTI-CELL BATTERY, ORIGINALLY OF TWO PIECES, AS HOLLOW SEMI-CYLINDRICAL HALF-HOUSING, WITH RAISED RIB ELEMENT OR ELEMENTS ON THE BORDER EDGES OF ONE HALF HOUSING, AND A FLUTED RECEIVING GROOVE ON THE OTHER HALF HOUSING, TO PERMIT THE TWO HALF HOUSINGS TO BE EASILY AND READILY MATED TO FORM A CLOSED HOUSING WHICH CAN THEN BE BONDED OR SEALED AT THE MUTUALLY FITTING EDGES; THE MAJOR ELONGATED SPACE IN THE HOLLOW HOUSING PROVIDES A CHAMBER FOR THE BATTERIES, AND A SPACE IN FRONT OF THE BATTERIES IS SUB-DIVIDED INTO TWO SMALL POCKETS TO RECEIVE ELECTRODE TERMINALS FROM THE STRING OF BATTERIES, AND TO COMMUNICATE WITH CO-AXIALLY ALIGNED OPENINGS IN THE FRONT END OF THE HOUSING TO RECEIVE INSERTION OF EXTERNAL PRONGS FROM AN EXTERNAL PLUG TO BE CONNECTED TO THE TERMINALS. TWO TRANSVERSE BRACING FLANGES BETWEEN THE FRONT AND REAR COMPARTMENTS SERVE TO BRACE THE ELECTRODE TERMINALS IN THEIR POCKETS AGAINST THE INSERTION PRESSURE OF EXTERNAL PRONGS; AND TO PRESS THE STRING OF CELLS CO-AXIALLY AGAINST THE BACK WALL OF THE HOUSING, SO ONE HALF-HOUSING MAY SERVE AS AN ASSEMBLY BOX FOR THE STRING OF BATTERIES AND THEIR TERMINALS DURING ASSEMBLY IN MANUFACTURE.

Inventors

  • 👤 Gordon E Kaye

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 04:02
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-04-19 1974-10-19 1975-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-19 1978-10-19 1979-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-19 1982-10-19 1983-04-20 $7700.00 Window Closed / Lapsed

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