US3650840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell with electrode holder
Assignee: Robert Bosch GmbH
•
Filing: 1969-08-12
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Granted: 1972-03-21
•
Expires: 1989-08-12
Abstract
Abstract A method of connecting an electrode member to an electrode holder of a fuel cell. An electrically conductive adhesive substance is applied to one or both of the electrode member and the electrode holder, and thereupon the two are placed into contact with one another so as to adhere via the adhesive substance, whereby the electrode is electrically conductively but in fluid-tight relationship connected to the electrode holder.
Inventors
- 👤 Hermann Dietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:16
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/02; H01M8/0271; H01M8/0273; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
35 words
A fuel cell as defined in claim 1, said fuel cell further comprising an alkaline electrolyte; and wherein said adhesive substance comprises an adhesive material and particulate silver admixed with and pigmenting said adhesive material.
Claim 2
Dependent Claim
27 words
A fuel cell as defined in claim 1, said fuel cell further comprising an acid electrolyte; and wherein said adhesive substance comprises an acid-resistant adhesive graphite composition.
Claim 3
Dependent Claim
16 words
A fuel cell as defined in claim 1, wherein said conductor member is a braided wire.
References Cited (Backward Citations)
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US3072558A
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US3285782A
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US3515593A
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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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |