US2576266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte for alkaline dry cells
Assignee: Individual
•
Filing: 1947-12-23
•
Granted: 1951-11-27
•
Expires: 1967-12-23
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:03
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/102; H01M50/109; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M6/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF MAKING AN ALKALINE GEL ELECTROLYTE FOR AN ELECTRIC CURRENT PRODUCING CELL WHICH COMPRISES DISSOLVING 3 TO 12 GRAMS OF A SALT OF CARBOXY-METHYL CELLULOSE IN EACH 100 MILLILITERS OF AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE AND HEATING THE MIXTURE TO A TEMPERATURE OF AT LEAST 100* C. BUT BELOW THE BOILING POINT OF THE MIXTURE WHEREBY A SELF-SUPPORTING SOLIDIFIED AND ELASTIC GEL BODY IS OBTAINED.
Claim 2
Independent Claim
70 words
THE METHOD OF MAKING AN ALKALINE GEL ELECTROLYTE FOR AN ELECTRIC CURRENT PRODUCING CELL WHICH COMPRISES DISSOLVING 3 TO 12 GRAMS OF A SALT OF CARBOXY-METHYL CELLULOSE IN EACH 100 MILLILITERS OF AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE AND HEATING THE MIXTURE TO A TEMPERATURE OF AT LEAST 100* C. BUT BELOW THE BOILING POINT OF THE MIXTURE WHEREBY A SELF-SUPPORTING SOLIDIFIED AND ELASTIC GEL BODY IS OBTAINED.
References Cited (Backward Citations)
FR380707A
Cited
US1137226A
Cited
US1201481A
Cited
US1773229A
Cited
US1997367A
Cited
FR823608A
Cited
US2307627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |