US3405007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell electrode and process for its manufacture
Assignee: Standard Oil Co
•
Filing: 1965-10-22
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Granted: 1968-10-08
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert F Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:49
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8825; H01M4/8846; H01M4/885; H01M4/8878; H01M4/8882; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN A METHOD FOR UNIFORMLY DEPOSITING A CATALYTIC METAL ON A POROUS, ELECTRICALLY CONDUCTIVE ELECTRODE SUPPORT, THE IMPROVEMENT WHICH CONSISTS OF IMPREGNATING SAID ELECTRODE SUPPORT WITH A SOLUTION CONTANING A SOLUBLE COMPOUND OF SAID CATALYTIC METAL ALONG WITH AN ORGANIC DICARBOXYLIC REDUCING ACID HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
47 words
IN A METHOD FOR UNIFORMLY DEPOSITING A CATALYTIC METAL ON A POROUS, ELECTRICALLY CONDUCTIVE ELECTRODE SUPPORT, THE IMPROVEMENT WHICH CONSISTS OF IMPREGNATING SAID ELECTRODE SUPPORT WITH A SOLUTION CONTANING A SOLUBLE COMPOUND OF SAID CATALYTIC METAL ALONG WITH AN ORGANIC DICARBOXYLIC REDUCING ACID HAVING THE GENERAL FORMULA:
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |