US2919216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte for electrochemical cells
Assignee: Individual
•
Filing: 1956-11-30
•
Granted: 1959-12-29
•
Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sidney A Corren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:56
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN IMPROVED AMMONIUM CHLORIDE ELECTROLYTE CHARACTERIZED BY THE PRESENCE OF A QUANTITY OF AMMONIUM HYDROXIDE SUFFICIENT TO PROVIDE A PH IN THE RANGE OF 8.0 TO 8.8.
Claim 2
Dependent Claim
27 words
AN IMPROVED AMMONIUM CHLORIDE ELECTROLYTE CHARACTERIZED BY THE PRESENCE OF A QUANTITY OF AMMONIUM HYDROXIDE SUFFICIENT TO PROVIDE A PH IN THE RANGE OF 8.0 TO 8.8.
References Cited (Backward Citations)
US219631A
Cited
US1279280A
Cited
US1437553A
Cited
GB173251A
Cited
US1503993A
Cited
US1839498A
Cited
US2569491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |