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US3294589A Expired / Lapsed US ⏱️ 0.0 years remaining

Deferred action type of dry cell battery

Assignee: Individual
•
Filing: 1963-05-27
•
Granted: 1966-12-27
•
Expires: 1983-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Edward L Barrett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 02:30
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/36; H01M6/38

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 270 words
A DRY CELL BATTERY COMPRISING, A CONTAINER COMPRISING ONE TERMINAL OF SAID DRY CELL, THE UPPER END OF SAID CONTAINER BEING OPEN, A ROD LOCATED IN THE CENTER OF SAID CONTAINER TO EXTEND THROUGH THE LENGHT THEREOF AND COMPRISING THE OTHER TERMINAL OF SAID DRY CELL, A DEPOLARIZER MIX DISPOSED IN SAID CONTAINER ABOUT SAID ROD; SAID CONTAINER, SAID ROD AND SAID DEPOLARIZER MIX BEING FORMED TO PROVIDE FOR THE GENERATION OF AN ELECTROMOTIVE FORCE BETWEEN SAID TERMINALS UPON THE DISPERSION OF A CERTAIN FLUID THROUGH SAID DEPOLARIZER MIX TO FORM AN ELECTROLYTE, A FLEXIBLE BAG CARRIED IN SAID CONTAINER ABOVE SAID DEPOLARIZER MIX, SAID FLEXIBLE BAG CONTAINING SAID CERTAIN FLUID IN A SEALED CONDITION THEREIN, LANCE MEANS CARRIED IN SAID CONTAINER ABOVE SAID DEPOLARIZER MIX AND BELOW SAID FLEXIBLE BAG, A CELL TOP MEMBER SECURED TO THE OPEN UPPER END OF SAID CONTAINER AND ABOUT SAID ROD, PISTON MEANS SLIDABLY CARRIED IN SAID CONTAINER ABOVE SAID FLEXIBLE BAG AND BELOW SAID CELL TOP MEMBER, SAID PISTON MEANS INCLUDING EXTENDED PORTIONS EXTENDING THROUGH SAID CELL TOP MEMBER FOR MANUAL PRESSURE AGAINST SAID EXTENDED PORTIONS TO PRESS SAID BAG AGAINST SAID LANCE MEANS TO CAUSE SAID BAG TO BE RUPTED AND SAID CERTAIN FLUID TO BE FORCED THEREFROM AND INTO SAID DEPOLARIZER MIX, SEALING MEANS COOPERATING WITH SAID CELL TOP MEMBER AND WITH SAID PISTON MEANS AND SEALING SAID DRY CELL AGAINST THE LEAKAGE OF ANY FLUID THEREFROM AFTER SAID CERTAIN FLUID HAS BEEN FORCED FROM SAID FLEXIBLE BAG, AND LOCKING MEANS FOR LOCKING SAID PISTON MEANS IN A DEPRESSED POSITION AFTER SAID CERTAIN FLUID HAS BEEN FORCED FROM SAID BAG.
Claim 2
Dependent Claim 270 words
A DRY CELL BATTERY COMPRISING, A CONTAINER COMPRISING ONE TERMINAL OF SAID DRY CELL, THE UPPER END OF SAID CONTAINER BEING OPEN, A ROD LOCATED IN THE CENTER OF SAID CONTAINER TO EXTEND THROUGH THE LENGHT THEREOF AND COMPRISING THE OTHER TERMINAL OF SAID DRY CELL, A DEPOLARIZER MIX DISPOSED IN SAID CONTAINER ABOUT SAID ROD; SAID CONTAINER, SAID ROD AND SAID DEPOLARIZER MIX BEING FORMED TO PROVIDE FOR THE GENERATION OF AN ELECTROMOTIVE FORCE BETWEEN SAID TERMINALS UPON THE DISPERSION OF A CERTAIN FLUID THROUGH SAID DEPOLARIZER MIX TO FORM AN ELECTROLYTE, A FLEXIBLE BAG CARRIED IN SAID CONTAINER ABOVE SAID DEPOLARIZER MIX, SAID FLEXIBLE BAG CONTAINING SAID CERTAIN FLUID IN A SEALED CONDITION THEREIN, LANCE MEANS CARRIED IN SAID CONTAINER ABOVE SAID DEPOLARIZER MIX AND BELOW SAID FLEXIBLE BAG, A CELL TOP MEMBER SECURED TO THE OPEN UPPER END OF SAID CONTAINER AND ABOUT SAID ROD, PISTON MEANS SLIDABLY CARRIED IN SAID CONTAINER ABOVE SAID FLEXIBLE BAG AND BELOW SAID CELL TOP MEMBER, SAID PISTON MEANS INCLUDING EXTENDED PORTIONS EXTENDING THROUGH SAID CELL TOP MEMBER FOR MANUAL PRESSURE AGAINST SAID EXTENDED PORTIONS TO PRESS SAID BAG AGAINST SAID LANCE MEANS TO CAUSE SAID BAG TO BE RUPTED AND SAID CERTAIN FLUID TO BE FORCED THEREFROM AND INTO SAID DEPOLARIZER MIX, SEALING MEANS COOPERATING WITH SAID CELL TOP MEMBER AND WITH SAID PISTON MEANS AND SEALING SAID DRY CELL AGAINST THE LEAKAGE OF ANY FLUID THEREFROM AFTER SAID CERTAIN FLUID HAS BEEN FORCED FROM SAID FLEXIBLE BAG, AND LOCKING MEANS FOR LOCKING SAID PISTON MEANS IN A DEPRESSED POSITION AFTER SAID CERTAIN FLUID HAS BEEN FORCED FROM SAID BAG.

References Cited (Backward Citations)

US2571732A Cited
US3053928A Cited
US3173811A Cited
US3139356A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-26 1970-06-27 1970-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-26 1974-06-27 1974-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-26 1978-06-27 1978-12-27 $7700.00 Window Closed / Lapsed

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