US3228800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low power output deferred action type primary battery
Assignee: Dow Chemical Co
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Filing: 1964-08-03
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Granted: 1966-01-11
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Expires: 1984-08-03
Abstract
No abstract record available.
Inventors
- 👤 Roy C Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:04
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M6/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
265 words
A PRIMARY BATTERY WHICH COMPRISES; A PLURALITY OF INDIVIDUAL CELL MODULES EACH OF SAID MODULES CONTAINING TWO PLATE-LIKE ANODES, SAID ANODES BEING A MAGNESIUM BASED METAL CONTAINING AT LEAST 80 PERCENT BY WEIGHT MAGNESIUM, EACH OF SAID ANODES POSITIONED INSIDE AND ADJACENT TO ONE OF THE SIDE WALLS OF AN OPEN-TOPPED RECTANGULARLY SIDED HOLLOW NON-ELECTRON CONDUCTING CASE, SAID ANODES BEING HELD IN PLACE BY INDENTATIONS ON OPPOSITE SIDES OF THE INTERIOR BOTTOM OF SAID CASE AND ADJACENT THE WALLS OF SAID CASE, SAID ANODES JOINED IN PARALLEL ARRANGEMENT BY A CONDUCTOR EMBEDDED IN THE BOOM OF SAID CASE AND CONTACTING THE BOTTOM OF EACH OF SAID ANODES, SAID BOTTOM OF SAID CASE FITTED WITH A GROOVE CUT PART WAY INTO SAID BOTTOM ALONG THE CENTER OF SAID BOTTOM, SAID GROOVE ACCOMODATING A PLATE-LIKE CATHODE, SAID CASE HAVING AT LEAST ON INLET VENT ON EACH SIDE OF SAID CATHODE HAVING A DIAMETER OF FROM ABOUT 1/64 TO ABOUT 1/4 INCH, SAID CASE HAVING A NON-ELECTRON CONDUCTING CAP, SAID CAP HAVING TWO SETS OF INDENTED SHOULDERS, ONE ABOVE THE OTHER AT EACH END OF SAID CAP, ONE OF SAID SETS AT THE BOTTOM OF SAID CAP HOLDING THE TOP OF SAID ANODES AGAINST THE SIDE WALLS OF SAID CASE AND THE SECOND SET OF SAID SHOULDERS MATING WITH THE INNER WALLS OF SAID CASE AS SAID CAP IS FITTED ON SAID CASE, SAID CAP FITTED WITH A GROOVE RUNNING THE LENGTH OF THE CAP ALONG ITS CENTER AND ACCOMODATING THE UJPPER EDGE OF SAID CATHODE AS SAID CAP IS FITTED ON SAID CASE, SAID CAP CONTAINING A
Claim 2
Dependent Claim
265 words
A PRIMARY BATTERY WHICH COMPRISES; A PLURALITY OF INDIVIDUAL CELL MODULES EACH OF SAID MODULES CONTAINING TWO PLATE-LIKE ANODES, SAID ANODES BEING A MAGNESIUM BASED METAL CONTAINING AT LEAST 80 PERCENT BY WEIGHT MAGNESIUM, EACH OF SAID ANODES POSITIONED INSIDE AND ADJACENT TO ONE OF THE SIDE WALLS OF AN OPEN-TOPPED RECTANGULARLY SIDED HOLLOW NON-ELECTRON CONDUCTING CASE, SAID ANODES BEING HELD IN PLACE BY INDENTATIONS ON OPPOSITE SIDES OF THE INTERIOR BOTTOM OF SAID CASE AND ADJACENT THE WALLS OF SAID CASE, SAID ANODES JOINED IN PARALLEL ARRANGEMENT BY A CONDUCTOR EMBEDDED IN THE BOOM OF SAID CASE AND CONTACTING THE BOTTOM OF EACH OF SAID ANODES, SAID BOTTOM OF SAID CASE FITTED WITH A GROOVE CUT PART WAY INTO SAID BOTTOM ALONG THE CENTER OF SAID BOTTOM, SAID GROOVE ACCOMODATING A PLATE-LIKE CATHODE, SAID CASE HAVING AT LEAST ON INLET VENT ON EACH SIDE OF SAID CATHODE HAVING A DIAMETER OF FROM ABOUT 1/64 TO ABOUT 1/4 INCH, SAID CASE HAVING A NON-ELECTRON CONDUCTING CAP, SAID CAP HAVING TWO SETS OF INDENTED SHOULDERS, ONE ABOVE THE OTHER AT EACH END OF SAID CAP, ONE OF SAID SETS AT THE BOTTOM OF SAID CAP HOLDING THE TOP OF SAID ANODES AGAINST THE SIDE WALLS OF SAID CASE AND THE SECOND SET OF SAID SHOULDERS MATING WITH THE INNER WALLS OF SAID CASE AS SAID CAP IS FITTED ON SAID CASE, SAID CAP FITTED WITH A GROOVE RUNNING THE LENGTH OF THE CAP ALONG ITS CENTER AND ACCOMODATING THE UJPPER EDGE OF SAID CATHODE AS SAID CAP IS FITTED ON SAID CASE, SAID CAP CONTAINING A
References Cited (Backward Citations)
US2655551A
Cited
US2715653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |