US2701272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cell battery
Assignee: Individual
•
Filing: 1952-05-27
•
Granted: 1955-02-01
•
Expires: 1972-05-27
Abstract
No abstract record available.
Inventors
- 👤 Reiner Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PRIMARY CELL COMPRISING A RELATIVELY-THIN SHEET OF HYGROSCOPIC MATERIAL FORMING AN ELECTRODE SUPPORT AND THE SOLE SOURCE OF ELECTROLYTE, A THIN LAYER OF MANGANESE DOXIDE IN THE FORM OF FINELY-DIVIDED POWDER APPLIED BY A BONDING AGENT TO ONE FACE OF SAID SHEET TO FORM THE POSITIVE ELECTRODE OF SAID CELL, AND A THIN LAYER OF ZINC IN THE FORM OF FINELY-DIVIDED POWDER APPLIED BY A BONDING AGENT TO THE OPPOSITE FACE OF SAID SHEET TO FORM THE NEGATIVE ELECTRODE OF SAID CELL.
Claim 2
Dependent Claim
83 words
A PRIMARY CELL COMPRISING A RELATIVELY-THIN SHEET OF HYGROSCOPIC MATERIAL FORMING AN ELECTRODE SUPPORT AND THE SOLE SOURCE OF ELECTROLYTE, A THIN LAYER OF MANGANESE DOXIDE IN THE FORM OF FINELY-DIVIDED POWDER APPLIED BY A BONDING AGENT TO ONE FACE OF SAID SHEET TO FORM THE POSITIVE ELECTRODE OF SAID CELL, AND A THIN LAYER OF ZINC IN THE FORM OF FINELY-DIVIDED POWDER APPLIED BY A BONDING AGENT TO THE OPPOSITE FACE OF SAID SHEET TO FORM THE NEGATIVE ELECTRODE OF SAID CELL.
References Cited (Backward Citations)
US1401671A
Cited
US1549371A
Cited
US1891206A
Cited
FR700818A
Cited
US1920151A
Cited
US2463565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |