Patent US939907A successfully refreshed from Google Patents.
Patent US2880147A successfully refreshed from Google Patents.
US2880147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic process
Assignee: Horizons Inc
•
Filing: 1956-02-13
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Granted: 1959-03-31
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Expires: 1976-02-13
Abstract
No abstract record available.
Inventors
- 👤 George L Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:04
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/20; C25D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PROCESS FOR ELECTRODEPOSITING A FERROUS METAL FROM AN AQUEOUS ELECTROLYTE WHICH INCLUDES COATING A METAL CATHODE WITH A COMPOSITION TO FACILITATE THE SEPARATION OF THE METAL ELECTRODEPOSIT FROM SAID CATHODE, SAID COMPOSITION CONSISTING ESSENTIALLY OF: FINELY DIVIDED GRAPHITE, ETHYL CELLULOSE AND A COMPATIBLE SOLVENT FOR SAID ETHYL CELLULOSE, IN WHICH THE RELATIVE PROPORTIONS OF GRAPHITE TO ETHYL CELLULOSE LIE BETWEEN 1 TO 1 AND 10 TO 1 AND ARE SUFFICIENT TO PROVIDE AN ELECTRICALLY CONDUCTIVE COATING ON SAID CATHODE BUT BELOW THE AMOUNT WHICH PRODUCES A COATING LACKING IN ADHERENCE AND THE SOLVENT CONSTITUTES BETWEEN ABOUT 70% AND 90% BY WEIGHT OF THE FINL COMPOSITION; IMMERSING SAID COATED CATHODE IN AN AQUEOUS ELECTROLYTE; ELECTRODEPOSITING METAL ON SAID COATED CATHODE; WITHDRAWING THE CATHODE FROM THE ELECTROLYTE AND REMOVING THE ELECTRODEPOSITED METAL FROM THE CATHODE.
Claim 2
Dependent Claim
134 words
A PROCESS FOR ELECTRODEPOSITING A FERROUS METAL FROM AN AQUEOUS ELECTROLYTE WHICH INCLUDES COATING A METAL CATHODE WITH A COMPOSITION TO FACILITATE THE SEPARATION OF THE METAL ELECTRODEPOSIT FROM SAID CATHODE, SAID COMPOSITION CONSISTING ESSENTIALLY OF: FINELY DIVIDED GRAPHITE, ETHYL CELLULOSE AND A COMPATIBLE SOLVENT FOR SAID ETHYL CELLULOSE, IN WHICH THE RELATIVE PROPORTIONS OF GRAPHITE TO ETHYL CELLULOSE LIE BETWEEN 1 TO 1 AND 10 TO 1 AND ARE SUFFICIENT TO PROVIDE AN ELECTRICALLY CONDUCTIVE COATING ON SAID CATHODE BUT BELOW THE AMOUNT WHICH PRODUCES A COATING LACKING IN ADHERENCE AND THE SOLVENT CONSTITUTES BETWEEN ABOUT 70% AND 90% BY WEIGHT OF THE FINL COMPOSITION; IMMERSING SAID COATED CATHODE IN AN AQUEOUS ELECTROLYTE; ELECTRODEPOSITING METAL ON SAID COATED CATHODE; WITHDRAWING THE CATHODE FROM THE ELECTROLYTE AND REMOVING THE ELECTRODEPOSITED METAL FROM THE CATHODE.
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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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |