Patent US2047693A successfully refreshed from Google Patents.
US2844641A
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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: 1958-07-22
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Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lang Maurice
- 👤 Tellef A Terjesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:38
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49108; Y10T29/49112
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
FOR USE IN THE MANUFACTURE OF A WAFER-TYPE LECLANCHE CELL, A STEP PRODUCT CONSTITUTING A DUPLEXED STRIP INCLUDING AN ELONGATED ZINC SHEET AND A PAPER LINING SHEET, SAID PRODUCT FURTHER COMPRISING A FLEXIBLE ELECTRICALLY NON-CONDUCTIVE SHEET DISPOSED ON THE PAPER LINING, SAID SHEET HAVING A SERIES OF THROUGH OPENINGS ALIGNED WITH THE LONGITUDINAL AXIS OF THE SHEET, A DEPOLARIZING MIX IN SAID OPENINGS AND A PROTECTIVE WEB OVERLYING THE NONCONDUCTIVE SHEET AND THE OPENINGS THEREIN.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |