Patent US2836641A successfully refreshed from Google Patents.
US2836641A
Expired / Lapsed
US
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Process for the production of electrodes for electro-chemical purposes
Assignee: Individual
•
Filing: 1954-04-26
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Granted: 1958-05-27
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Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 Vogt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/64; H01M4/70; H01M4/80; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE PROCESS OF PRODUCING ELECTRODES FOR ELECTROCHEMICAL PURPOSES IN A CONTINUOUS OPERATION WHICH COMPRISES DEPOSITING IRON GROUP METAL POWDER IN A CONTINUOUS PROCESS ONTO BOTH FACES OF AN IRON GROUP METALLIC CARRIER STRIP TO FORM A THIN COATING ON EACH FACE THEREOF, PASSING THE STRIP THUS COATED THROUGH A SINTERING ZONE MAINTAINED AT A SINTERING TEMPERATURE FOR THE METAL DEPOSITED ON THE CARRIER SIMULTANEOUSLY TO TRANSFORM EACH METAL POWDER COATING INTO A MICRO-POROUS METAL LAYER AND SINTER IT ONTO SAID CARRIER STRIP, SUBSEQUENTLY IMPREGNATING THE LAYER BEARING STRIP WITH ELECTROCHEMICALLY ACTIVE HYDROXIDES AND CUTTING THE STRIP INTO PORTIONS OF APPROPRIATE LENGTH.
Claim 2
Dependent Claim
101 words
THE PROCESS OF PRODUCING ELECTRODES FOR ELECTROCHEMICAL PURPOSES IN A CONTINUOUS OPERATION WHICH COMPRISES DEPOSITING IRON GROUP METAL POWDER IN A CONTINUOUS PROCESS ONTO BOTH FACES OF AN IRON GROUP METALLIC CARRIER STRIP TO FORM A THIN COATING ON EACH FACE THEREOF, PASSING THE STRIP THUS COATED THROUGH A SINTERING ZONE MAINTAINED AT A SINTERING TEMPERATURE FOR THE METAL DEPOSITED ON THE CARRIER SIMULTANEOUSLY TO TRANSFORM EACH METAL POWDER COATING INTO A MICRO-POROUS METAL LAYER AND SINTER IT ONTO SAID CARRIER STRIP, SUBSEQUENTLY IMPREGNATING THE LAYER BEARING STRIP WITH ELECTROCHEMICALLY ACTIVE HYDROXIDES AND CUTTING THE STRIP INTO PORTIONS OF APPROPRIATE LENGTH.
References Cited (Backward Citations)
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Cited
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US2187086A
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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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |