US3054030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodes for electrochemical devices
Assignee: Union Carbide Corp
•
Filing: 1958-11-28
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Granted: 1962-09-11
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 George E Evans
- 👤 Robert A Powers
- 👤 Nelson N Estes
- 👤 Jr Earl S Snavely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:15
CPC Classifications
H; H01; H01G; H01G11/00; H01G11/02; H01G11/22; H01G11/26; H01G11/30; H01G11/32; H01G11/42; H01G9/00; H01G9/22; Y; Y02; Y02E; Y02E60/00; Y02E60/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
IN A SOLION HAVING AN ELECTROLYTE SOLUTION COMPRISING A REVERSIBLE REDOX SYSTEM, THE IMPROVEMENT WHICH COMPRISES AT LEAST ONE ELECTRODE I N CONTACT WITH SAID SOLUTION AT LEAST THE ACTIVE SURFACES OF WHICH ARE COMPOSED OF PYROLYTIC CARBON, SAID IMPROVEMENT IMPARTING RAPID VOLTAGE DECAY CHARACTERISTICS TO SAID SOLION.
Claim 2
Dependent Claim
48 words
IN A SOLION HAVING AN ELECTROLYTE SOLUTION COMPRISING A REVERSIBLE REDOX SYSTEM, THE IMPROVEMENT WHICH COMPRISES AT LEAST ONE ELECTRODE I N CONTACT WITH SAID SOLUTION AT LEAST THE ACTIVE SURFACES OF WHICH ARE COMPOSED OF PYROLYTIC CARBON, SAID IMPROVEMENT IMPARTING RAPID VOLTAGE DECAY CHARACTERISTICS TO SAID SOLION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |