US2594047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode
Assignee: Olin Industries Inc
•
Filing: 1946-03-22
•
Granted: 1952-04-22
•
Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 John M Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M4/668; H01M4/663; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A DRY CELL COMPRISING AN ANODE, A SEPARATOR CARRYING ELECTROLYTE SALT IN CONTACT WITH THE ANODE, A DEPOLARIZING MIX IN CONTACT WITH THE SEPARATOR, AND A FLEXIBLE, IMPERVIOUS CATHODE IN CONTACT WITH THE DEPOLARIZING MIX, THE CATHODE COMPRISING A POROUS MEMBER IMPREGNATED WITH A CARBON PAINT.
Claim 2
Dependent Claim
46 words
A DRY CELL COMPRISING AN ANODE, A SEPARATOR CARRYING ELECTROLYTE SALT IN CONTACT WITH THE ANODE, A DEPOLARIZING MIX IN CONTACT WITH THE SEPARATOR, AND A FLEXIBLE, IMPERVIOUS CATHODE IN CONTACT WITH THE DEPOLARIZING MIX, THE CATHODE COMPRISING A POROUS MEMBER IMPREGNATED WITH A CARBON PAINT.
References Cited (Backward Citations)
US711481A
Cited
FR363135A
Cited
US1613586A
Cited
US1872581A
Cited
GB365754A
Cited
US2251913A
Cited
GB558207A
Cited
US2416576A
Cited
US2579743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |