US2870235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodic envelope cell
Assignee: Union Carbide Corp
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Filing: 1956-04-09
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Granted: 1959-01-20
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Daniel G Soltis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:46
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M6/06; H01M6/12; H01M50/00; H01M50/10; H01M50/102; H01M50/105; H01M50/116; H01M50/117; H01M50/119; H01M50/121; H01M50/124; H01M50/126; H01M50/14; H01M50/141; H01M50/50; H01M50/543; H01M50/562; H01M50/564; H01M6/42; H01M6/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SUBSTANTIALLY FLAT UNIT COMPRISING A CONSUMABLE METAL ANODE; ELECTROLYTE-WET DEPOLARIZER MIX ON BOTH SIDES OF SAID ANODE; A FLEXIBLE, MOISTURE IMPERVIOUS CATHODE COLLECTOR IN CONTACT WITH SAID DEPOLARIZER MIX; AND A FLEXIBLE, MOISTURE IMPERVIOUS NON-CONDUCTIVE ENVELOPE ENCLOSING SAID CELL, CONTACT TO SAID CATHODE COLLECTOR BEING MADE THROUGH A PERFORATION IN SAID ENVELOPE, AND A CONDUCTOR ATTACHED TO SAID ANODE EXTENDING OUTWARDLY OF SAID ENVELOPE FOR CONTACT TO SAID ANODE, SAID COLLECTOR BEING MARGINALLY SEALED TO SAID ENVELOPE AND OVERLAPPING PORTIONS THEREOF BEING SEALED TO THEMSELVES, THUS FORMING A MOISTURE IMPERVIOUS CLOSURE FOR SAID CELL, THE EMERGENT PORTION OF SAID CONDUCTOR BEING SEALED IN SAID CLOSURE TO PREVENT ESCAPE OF MOISTURE THEREFROM.
Claim 2
Dependent Claim
112 words
A SUBSTANTIALLY FLAT UNIT COMPRISING A CONSUMABLE METAL ANODE; ELECTROLYTE-WET DEPOLARIZER MIX ON BOTH SIDES OF SAID ANODE; A FLEXIBLE, MOISTURE IMPERVIOUS CATHODE COLLECTOR IN CONTACT WITH SAID DEPOLARIZER MIX; AND A FLEXIBLE, MOISTURE IMPERVIOUS NON-CONDUCTIVE ENVELOPE ENCLOSING SAID CELL, CONTACT TO SAID CATHODE COLLECTOR BEING MADE THROUGH A PERFORATION IN SAID ENVELOPE, AND A CONDUCTOR ATTACHED TO SAID ANODE EXTENDING OUTWARDLY OF SAID ENVELOPE FOR CONTACT TO SAID ANODE, SAID COLLECTOR BEING MARGINALLY SEALED TO SAID ENVELOPE AND OVERLAPPING PORTIONS THEREOF BEING SEALED TO THEMSELVES, THUS FORMING A MOISTURE IMPERVIOUS CLOSURE FOR SAID CELL, THE EMERGENT PORTION OF SAID CONDUCTOR BEING SEALED IN SAID CLOSURE TO PREVENT ESCAPE OF MOISTURE THEREFROM.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |