US3038019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary cell and anode for use therein
Assignee: Dow Chemical Co
•
Filing: 1958-11-03
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Granted: 1962-06-05
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 John L Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:31
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46; C; C22; C22C; C22C23/00; C22C23/02; C22C24/00; C22C25/00; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN ANODE METAL FOR USE IN A PRIMARY CELL COMMPRISING FROM 1.6 TO 2.5 WEIGHT PERCENT OF ALUMINUM, BETWEEN .8 AND 2.5 WEIGHT PERCENT OF ZINC, THE AMOUNT OF ZINC IN A GIVEN ALLOY BEING BETWEEN ONE HALF AND ONE TIMES THE AMOUNT OF ALUMIUM THEREIN, BETWEEN ABOUT .1 WEIGHT PERCENT AND .5 WEIGHT PERCENT OF CALCIUM, NOT OVER .005 WEIGHT PERCENT IRON, NOT OVER .002 WEIGHT PERCENT NICKEL, AND NOT OVER .1 WEIGHT PERCENT MANGANESE, THE REMAINDER BEING SUBSTANTIALLY ALL MAGNESIUM.
Claim 2
Dependent Claim
82 words
AN ANODE METAL FOR USE IN A PRIMARY CELL COMMPRISING FROM 1.6 TO 2.5 WEIGHT PERCENT OF ALUMINUM, BETWEEN .8 AND 2.5 WEIGHT PERCENT OF ZINC, THE AMOUNT OF ZINC IN A GIVEN ALLOY BEING BETWEEN ONE HALF AND ONE TIMES THE AMOUNT OF ALUMIUM THEREIN, BETWEEN ABOUT .1 WEIGHT PERCENT AND .5 WEIGHT PERCENT OF CALCIUM, NOT OVER .005 WEIGHT PERCENT IRON, NOT OVER .002 WEIGHT PERCENT NICKEL, AND NOT OVER .1 WEIGHT PERCENT MANGANESE, THE REMAINDER BEING SUBSTANTIALLY ALL MAGNESIUM.
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) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |