US3081371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venting system for magnesium cathodic envelope cells
Assignee: Union Carbide Corp
•
Filing: 1960-05-19
•
Granted: 1963-03-12
•
Expires: 1980-05-19
Abstract
No abstract record available.
Inventors
- 👤 Dean L Toda
- 👤 Jr William H Deierhoi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:44
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/42; H01M6/46; H01M50/00; H01M50/40; H01M50/409; H01M50/411; H01M50/429; H01M50/4295; H01M50/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN COMBINAION IN A SUBSTANTIALLY FLAT DRY CELL, A MAGNESIUM ANODE WRAPPED IN A BIBLULOUS SEPARATOR MADE OF A POROUS KRAFT PAPER HAVING A THICKBESS IN THE RANGE OF FROM 6 MILS TO 12 MILS, A MAGNESIUM BROMIDE-WET MANGANESE DIOXIDE CATHODE DEPLORAZER DISPOSED ON BOTH SIDES OF SAID SEPARATOR WRAPPED ANODE AND AN ENVELOPE ENCLOSNG SAID CELL, THE MARGINAL EDGES OF SAID CELL BEING SEALED TOGETHER TO PREVENT ELECTROLYTE LEAKAGE, SAID CELL BEING VENTILATED BY AT LEAST ONE VENTING APERTURE WHICH
Claim 2
Dependent Claim
81 words
IN COMBINAION IN A SUBSTANTIALLY FLAT DRY CELL, A MAGNESIUM ANODE WRAPPED IN A BIBLULOUS SEPARATOR MADE OF A POROUS KRAFT PAPER HAVING A THICKBESS IN THE RANGE OF FROM 6 MILS TO 12 MILS, A MAGNESIUM BROMIDE-WET MANGANESE DIOXIDE CATHODE DEPLORAZER DISPOSED ON BOTH SIDES OF SAID SEPARATOR WRAPPED ANODE AND AN ENVELOPE ENCLOSNG SAID CELL, THE MARGINAL EDGES OF SAID CELL BEING SEALED TOGETHER TO PREVENT ELECTROLYTE LEAKAGE, SAID CELL BEING VENTILATED BY AT LEAST ONE VENTING APERTURE WHICH
References Cited (Backward Citations)
US2547907A
Cited
US2601267A
Cited
US2699460A
Cited
US2798895A
Cited
US2807658A
Cited
US2847495A
Cited
US2790022A
Cited
US2870235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |