US2861935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic method of applying a lubricant coating
Assignee: Vitro Corp of America
•
Filing: 1954-05-20
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Granted: 1958-11-25
•
Expires: 1974-05-20
Abstract
No abstract record available.
Inventors
- 👤 Fahnoe Frederick
- 👤 James J Shyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:31
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF APPLYING A LUBRICANT COATING TO THE SURFACE OF A METAL WHICH COMPRISES THE STEPS OF ELECTROPHORETICALLY CODEPOSITING OUT OF LIQUID MEDIA ONTO THE SURFACE OF A METAL A COATING CONSISTING ESSENTIALLY OF A MIXTURE OF BETWEEN 70%-95% BY WEIGHT OF COMMINUTED PARTICLES OF AT LEAST ONE REDUCIBLE METALLIC OXIDE AND BETWEEN 30%-5% BY WEIGHT OF METAL CLAD COMMINUTED PARTICLES OF AT LEAST ONE LUBRICATING AGENT SELECTED FROM THE GROUP CONSISTING OF THE SULPHIDES, DISULPHIDES, SELENIDES AND TELLURIDES OF MOLYBDENUM, TUNGSTEN, AND TITANIUM; AND HEATING SAID COATED METAL IN A REDUCING ATMOSPHERE UNTIL SAID OXIDE PARTICLES ARE REDUCED TO METAL IN THE FORM OF A MATRIX BONDED TO SAID METAL, SAID METAL CLAD PARTICLES BEING ENTRAPPED WITHIN THE PORES OF SAID MATRIX.
Claim 2
Independent Claim
124 words
THE METHOD OF APPLYING A LUBRICANT COATING TO THE SURFACE OF A METAL WHICH COMPRISES THE STEPS OF ELECTROPHORETICALLY CODEPOSITING OUT OF LIQUID MEDIA ONTO THE SURFACE OF A METAL A COATING CONSISTING ESSENTIALLY OF A MIXTURE OF BETWEEN 70%-95% BY WEIGHT OF COMMINUTED PARTICLES OF AT LEAST ONE REDUCIBLE METALLIC OXIDE AND BETWEEN 30%-5% BY WEIGHT OF METAL CLAD COMMINUTED PARTICLES OF AT LEAST ONE LUBRICATING AGENT SELECTED FROM THE GROUP CONSISTING OF THE SULPHIDES, DISULPHIDES, SELENIDES AND TELLURIDES OF MOLYBDENUM, TUNGSTEN, AND TITANIUM; AND HEATING SAID COATED METAL IN A REDUCING ATMOSPHERE UNTIL SAID OXIDE PARTICLES ARE REDUCED TO METAL IN THE FORM OF A MATRIX BONDED TO SAID METAL, SAID METAL CLAD PARTICLES BEING ENTRAPPED WITHIN THE PORES OF SAID MATRIX.
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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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |