US2666802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamellate flat cell
Assignee: Olin Industries Inc
•
Filing: 1950-11-21
•
Granted: 1954-01-19
•
Expires: 1970-11-21
Abstract
No abstract record available.
Inventors
- 👤 William B Woodring
- 👤 William W Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:15
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A DRY CELL COMPRISING A THIN, FLAT FRAME OF DIELECTRIC MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS HAVING A CENTRAL OPENING, A SEPARATOR CARRYING ELECTROLYTE ON ONE SIDE OF THE FRAME EXTEND ING OVER THE OPENING, AN ANODE COMPRISING A SHEET OF ZINC FOIL OF LARGER DIMENSION THAN THE SEPARATOR, THE ANODE HAVING A COATING OF ADHESIVE ADJACENT ITS EDGE TO SECURE THE SEPARATOR TO THE ANODE AND THE ANODE TO THE FRAME, A SHEET CATHODE HAVING A CONDUCTIVE COATING ON ITS INNER SURFACE SEALED TO THE OTHER SIDE OF THE FRAME, AND A DEPOLARIZER WITHIN THE FRAME.
Claim 2
Dependent Claim
96 words
A DRY CELL COMPRISING A THIN, FLAT FRAME OF DIELECTRIC MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS HAVING A CENTRAL OPENING, A SEPARATOR CARRYING ELECTROLYTE ON ONE SIDE OF THE FRAME EXTEND ING OVER THE OPENING, AN ANODE COMPRISING A SHEET OF ZINC FOIL OF LARGER DIMENSION THAN THE SEPARATOR, THE ANODE HAVING A COATING OF ADHESIVE ADJACENT ITS EDGE TO SECURE THE SEPARATOR TO THE ANODE AND THE ANODE TO THE FRAME, A SHEET CATHODE HAVING A CONDUCTIVE COATING ON ITS INNER SURFACE SEALED TO THE OTHER SIDE OF THE FRAME, AND A DEPOLARIZER WITHIN THE FRAME.
References Cited (Backward Citations)
FR568739A
Cited
US1613585A
Cited
US1673400A
Cited
US1916698A
Cited
GB300640A
Cited
GB284626A
Cited
CH232994A
Cited
US2463565A
Cited
US2519053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |