US2814664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric current producing cell
Assignee: Individual
•
Filing: 1957-02-04
•
Granted: 1957-11-26
•
Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Ruben Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:50
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/5825; H01M6/00; H01M6/04; H01M6/06; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
AN ELECTRIC CURRENT PRODUCING CELL COMPRISING AN ANODE, A SULFATE SALT ELECTROLYTE, AND A CATHODE DEPOLARIZER THE MAJOR PORTION OF WHICH IS COMPOSED OF MERCURIC DIOXYSULFATE.
Claim 2
Dependent Claim
26 words
AN ELECTRIC CURRENT PRODUCING CELL COMPRISING AN ANODE, A SULFATE SALT ELECTROLYTE, AND A CATHODE DEPOLARIZER THE MAJOR PORTION OF WHICH IS COMPOSED OF MERCURIC DIOXYSULFATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |