US2684481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electric batteries
Assignee: Eagle Picher Co
•
Filing: 1950-08-24
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Granted: 1954-07-20
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Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Chubb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:19
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF MAKING ELECTRIC BATTERIES WHICH COMPRISES ESTABLISHING A LAMINATE OF STRIPS OF MAGNESIUM, COPPER, CUPROUS CHLORIDE BEARING ANODE MATERIAL AND ABSORBENT MATERIAL IN THAT ORDER; SEVERING SAID LAMINATE INTO SEGMENTS OF UNIT CELL SIZE, STACKING SAID SEGMENTS INTO A PILE AND ENVELOPING THE EDGEWISE PORTION OF SAID PILE WITH AN IMPERVIOUS CASING WHEREBY EACH LAYER OF COPPER CONSTITUTES A PHYSICAL BARRIER TO PASSAGE OF ELECTROLYTE FROM ONE CELL TO ANOTHER.
Claim 2
Independent Claim
72 words
A METHOD OF MAKING ELECTRIC BATTERIES WHICH COMPRISES ESTABLISHING A LAMINATE OF STRIPS OF MAGNESIUM, COPPER, CUPROUS CHLORIDE BEARING ANODE MATERIAL AND ABSORBENT MATERIAL IN THAT ORDER; SEVERING SAID LAMINATE INTO SEGMENTS OF UNIT CELL SIZE, STACKING SAID SEGMENTS INTO A PILE AND ENVELOPING THE EDGEWISE PORTION OF SAID PILE WITH AN IMPERVIOUS CASING WHEREBY EACH LAYER OF COPPER CONSTITUTES A PHYSICAL BARRIER TO PASSAGE OF ELECTROLYTE FROM ONE CELL TO ANOTHER.
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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) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |