Patent US3042734A successfully refreshed from Google Patents.
US3042734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkaline cell closure
Assignee: Union Carbide Corp
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Filing: 1960-02-25
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Granted: 1962-07-03
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Expires: 1980-02-25
Abstract
No abstract record available.
Inventors
- 👤 Carmichael Robert
- 👤 John L S Daley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:44
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/08; H01M50/00; H01M50/10; H01M50/147; H01M50/148; H01M50/154; H01M50/172; H01M50/174; H01M50/179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SEALED GALVANIC CELL COMPRISING A CUPPED POLARIZED METALLIC CONTAINER HAVING DISPOSED THEREIN AN ANODE AND A CATHODE WITH A SEPARATOR THEREBETWEEN AND AN ALKALINE ELECTROLYTE; SAID CELL BEING SEALED AT THE OPEN END OF SAID CUPPED CONTAINER BY A CELL CLOSURE WHICH COMPRISES AN ANNULAR U SHAPED GASKET OF A HARD DI-ELECTRIC PLASTIC WHICH IS RESISTANT TO COLD FLOW, SAID GASKET HAVING A CENTRAL APERTURE THEREIN, AN ANNULAR APERTURED UNPOLARIZED METALLIC COVER RECESSED IN SAID U SHAPED GASKET AND AN OPPOSITELY POLARIZED METALLIC TERMINAL WHICH PASSES THROUGH SAID APERTURES IN SAID GASKET AND SAID COVER; SAID GASKET BEING UNDER RADIAL COMPRESSION BETWEEN SAID COVER AND SAID TERMINAL AND BETWEEN SAID COVER AND SAID CONTAINER.
Claim 2
Dependent Claim
115 words
A SEALED GALVANIC CELL COMPRISING A CUPPED POLARIZED METALLIC CONTAINER HAVING DISPOSED THEREIN AN ANODE AND A CATHODE WITH A SEPARATOR THEREBETWEEN AND AN ALKALINE ELECTROLYTE; SAID CELL BEING SEALED AT THE OPEN END OF SAID CUPPED CONTAINER BY A CELL CLOSURE WHICH COMPRISES AN ANNULAR U SHAPED GASKET OF A HARD DI-ELECTRIC PLASTIC WHICH IS RESISTANT TO COLD FLOW, SAID GASKET HAVING A CENTRAL APERTURE THEREIN, AN ANNULAR APERTURED UNPOLARIZED METALLIC COVER RECESSED IN SAID U SHAPED GASKET AND AN OPPOSITELY POLARIZED METALLIC TERMINAL WHICH PASSES THROUGH SAID APERTURES IN SAID GASKET AND SAID COVER; SAID GASKET BEING UNDER RADIAL COMPRESSION BETWEEN SAID COVER AND SAID TERMINAL AND BETWEEN SAID COVER AND SAID CONTAINER.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |