Patent US3393097A successfully refreshed from Google Patents.
US3393097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell having a folded magnesium anode
Assignee: Dow Chemical Co
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Filing: 1966-07-29
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Granted: 1968-07-16
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Expires: 1986-07-29
Abstract
No abstract record available.
Inventors
- 👤 John L Robinson
- 👤 Earl D Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:06
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/04; H01M10/0413; H01M10/045; H01M10/0454; H01M6/00; H01M6/04; H01M6/06; H01M6/10; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PRIMARY CELL COMPRISING AN ANODE OF MAGNESIUM ALLOY, SAID ANODE BEING SHEET-LIKE IN FORM AND FOLDED BACK AND FORTH UPON ITSELF WITH THE FOLDS SPACED APART FROM ONE ANOTHER AND WITH THE PART OF THE ANODE CONNECTING ADJACENT FOLDS BEING DISPOSED NON-PREPENDICULARLY WITH RESPECT TO SAID FOLDS, AN IONICALLY CONDUCTIVE ELECTRONICALLY INSULATING POROUS SEPARATOR, SAID SEPARATOR IS THOROUGHLY WETTED WITH ELECTROLYTE AND ADHERING TO ONE SIDE OF SAID ANODE, AT LEAST TWO PLATE-LIKE COMPRESSIBLE ELEMENTS, EAHC OF SAID COMPRESSIBLE ELEMENTS BEING DISPOSED BETWEEN ADJACENT FOLDS OF ANODE INTERMEDIATE OF THE END FOLDS OF SAID ANODE, A PLURALITY OF BATCHES OF CATHODE DEPOLARIZING MIX AND ELECTROLYTE, ONE OF SAID BATCHES BEING DISPOSED BETWEEN EACH PAIR OF ADJACENT FOLDS OF SAID ANODE ON THE SIDE OF THE ANODE TO WHICH THE SEPARATOR ADHERES, A SHEET-LIKE CATODE ELECTRODE, SAID CATHODE ELECTRODE BEING FORMED INTO SPACED APART CON-
Claim 2
Dependent Claim
145 words
A PRIMARY CELL COMPRISING AN ANODE OF MAGNESIUM ALLOY, SAID ANODE BEING SHEET-LIKE IN FORM AND FOLDED BACK AND FORTH UPON ITSELF WITH THE FOLDS SPACED APART FROM ONE ANOTHER AND WITH THE PART OF THE ANODE CONNECTING ADJACENT FOLDS BEING DISPOSED NON-PREPENDICULARLY WITH RESPECT TO SAID FOLDS, AN IONICALLY CONDUCTIVE ELECTRONICALLY INSULATING POROUS SEPARATOR, SAID SEPARATOR IS THOROUGHLY WETTED WITH ELECTROLYTE AND ADHERING TO ONE SIDE OF SAID ANODE, AT LEAST TWO PLATE-LIKE COMPRESSIBLE ELEMENTS, EAHC OF SAID COMPRESSIBLE ELEMENTS BEING DISPOSED BETWEEN ADJACENT FOLDS OF ANODE INTERMEDIATE OF THE END FOLDS OF SAID ANODE, A PLURALITY OF BATCHES OF CATHODE DEPOLARIZING MIX AND ELECTROLYTE, ONE OF SAID BATCHES BEING DISPOSED BETWEEN EACH PAIR OF ADJACENT FOLDS OF SAID ANODE ON THE SIDE OF THE ANODE TO WHICH THE SEPARATOR ADHERES, A SHEET-LIKE CATODE ELECTRODE, SAID CATHODE ELECTRODE BEING FORMED INTO SPACED APART CON-
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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |