Patent US2826542A successfully refreshed from Google Patents.
US2826542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic method of applying a low friction coating
Assignee: Vitro Corp of America
•
Filing: 1954-06-16
•
Granted: 1958-03-11
•
Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 James J Shyne
- 👤 Howard G Scheible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A METHOD OF APPLYING A LOW FRICTION COATING TO THE SURFACE OF A METAL SUBSTRATE WHICH COMPRISES THE STEPS OF ELECTROPHORETICALLY DEPOSITING OUT OF A LIQUID MEDIUM UPON THE SURFACE OF SAID SUBSTRATE A COATING FORMED FROM A MIXTURE OF BETWEEN 30%-5% BY WEIGHT OF AT LEAST ONE LAMINATED METALLIC LUBRICATING AGENT SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND DISULFIDES OF MOLYBDENUM, TUNGSTEN, TITANIUM AND URANIUM AND BETWEEN 70%-95% BY WEIGHT OF AT LEAST ONE REDUCIBLE METALLIC COMPOUND OTHER THAN SAID METALLIC LUBRICATING AGENT SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND DISULFIDES, SAID COMPOUNBD BEING REDUCIBLE TO FORM A METALLIC MATRIX BONDED TO SAID METAL SUBSTRATE AT A TEMPERATURE AT WHICH THE METALLIC LUBRICATING AGENT DOES NOT UNDERGO SUBSTANTIAL REDUCTION; AND HEATING SAID COATED METAL SUBSTRATE IN A REDUCING ATMOSPHERE AT A TEMPERATURE HIGH ENOUGH TO REDUCE SAID METALLIC COMPOUND TO THE METAL BUT BELOW THE TEMPERATURE AT WHICH SUBSTANTIAL DECOMPOSITION OF SAID LUBRUCATING AGENT TAKES PLACE UNTIL SAID METALLIC POUND IS REDUCED TO METAL THEREBY TO FORM A METALLIC MATRIX WHICH IS BONDED TO SAID SURFACE OF SAID METAL SUBSTRATE AND WHICH ENTRAPS AND BONDS SAID SOLID LUBRICANT TO SAID SUBSTRATE.
Claim 2
Independent Claim
194 words
A METHOD OF APPLYING A LOW FRICTION COATING TO THE SURFACE OF A METAL SUBSTRATE WHICH COMPRISES THE STEPS OF ELECTROPHORETICALLY DEPOSITING OUT OF A LIQUID MEDIUM UPON THE SURFACE OF SAID SUBSTRATE A COATING FORMED FROM A MIXTURE OF BETWEEN 30%-5% BY WEIGHT OF AT LEAST ONE LAMINATED METALLIC LUBRICATING AGENT SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND DISULFIDES OF MOLYBDENUM, TUNGSTEN, TITANIUM AND URANIUM AND BETWEEN 70%-95% BY WEIGHT OF AT LEAST ONE REDUCIBLE METALLIC COMPOUND OTHER THAN SAID METALLIC LUBRICATING AGENT SELECTED FROM THE CLASS CONSISTING OF SULFIDES AND DISULFIDES, SAID COMPOUNBD BEING REDUCIBLE TO FORM A METALLIC MATRIX BONDED TO SAID METAL SUBSTRATE AT A TEMPERATURE AT WHICH THE METALLIC LUBRICATING AGENT DOES NOT UNDERGO SUBSTANTIAL REDUCTION; AND HEATING SAID COATED METAL SUBSTRATE IN A REDUCING ATMOSPHERE AT A TEMPERATURE HIGH ENOUGH TO REDUCE SAID METALLIC COMPOUND TO THE METAL BUT BELOW THE TEMPERATURE AT WHICH SUBSTANTIAL DECOMPOSITION OF SAID LUBRUCATING AGENT TAKES PLACE UNTIL SAID METALLIC POUND IS REDUCED TO METAL THEREBY TO FORM A METALLIC MATRIX WHICH IS BONDED TO SAID SURFACE OF SAID METAL SUBSTRATE AND WHICH ENTRAPS AND BONDS SAID SOLID LUBRICANT TO SAID SUBSTRATE.
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |