US2987569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafer-type cells for dry batteries and method for making same
Assignee: UNITED STATES ELECTRIC Manufacturing CORP
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Filing: 1954-10-12
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Granted: 1961-06-06
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Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lang Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A WAFER-TYPE LECLANCHE CELL THE HEIGHT OF WHICH DOES NOT EXCEED ABOUT 0.050 INCH, SAID CELL CONSTITUTING A SHALLOW FLANGED ZINC CUP ELECTRODE, THE CUPPED PORTION WHEREOF INCLUDES SIDE WALLS AND A BASE, AND AN ELECTROLYTEIMPREGNATED BIBULOUS LINER ADHERED TO THE ENTIRE UPPER SURFACE OF THE CUP ELECTRODE, A MIX CAKE FORMED UNDER PRESSURE IN SITU ENTIRELY WITHIN THE PERIPHERY OF THE CUPPED PORTION OF THE ELECTRODE, AND A FLEXIBLE CARBON ELECTRODE OVERLYING THE CUP, SAID CARBON ELECTRODE CONSISTING OF A FLEXIBLE ELECTRICALLY NON-CONDUCTIVE PLASTIC CARRIER SHEET HAVING A CENTRAL FLEXIBLE CARBONACEOUS PORTION.
Claim 2
Dependent Claim
93 words
A WAFER-TYPE LECLANCHE CELL THE HEIGHT OF WHICH DOES NOT EXCEED ABOUT 0.050 INCH, SAID CELL CONSTITUTING A SHALLOW FLANGED ZINC CUP ELECTRODE, THE CUPPED PORTION WHEREOF INCLUDES SIDE WALLS AND A BASE, AND AN ELECTROLYTEIMPREGNATED BIBULOUS LINER ADHERED TO THE ENTIRE UPPER SURFACE OF THE CUP ELECTRODE, A MIX CAKE FORMED UNDER PRESSURE IN SITU ENTIRELY WITHIN THE PERIPHERY OF THE CUPPED PORTION OF THE ELECTRODE, AND A FLEXIBLE CARBON ELECTRODE OVERLYING THE CUP, SAID CARBON ELECTRODE CONSISTING OF A FLEXIBLE ELECTRICALLY NON-CONDUCTIVE PLASTIC CARRIER SHEET HAVING A CENTRAL FLEXIBLE CARBONACEOUS PORTION.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |