US2622993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of lubricating metal surface and article resulting therefrom
Assignee: Milliken Research Corp
•
Filing: 1949-08-03
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Granted: 1952-12-23
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Expires: 1969-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mccullough
- 👤 Clyde K Hanyen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:56
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; C; C10; C10M; C10M7/00; F16C33/102; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/913; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/4967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS OF TREATING THE SURFACE OF A METAL OF THE TYPE EMPLOYED FOR BEARING SURFACES TO IMPROVE ITS LUBRICANT PROPERITIES, WHICH COMPRISES DEPOSITING ON THE SURFACE OF SAID METAL A COMPOUND OF THE GENERAL FORMULA MX2, WHERE M REPRESENTS AN ELEMENT SELECTED FROMTHE GROUP CONSISTING OF IRON, MANGANESE, COBALT, MOLYBDENUM, TUNGSTEN, RUTHENIUM, PLATINUM, OSMIUM, CONIUM, URANIUM PALLADIUM, PLATINUM, OSMIUM AND IRIDIUM, AND X REPRESENTS AN ELEMENT SELECED FROM THE GROUP CONSISTING OF SULFUR, SELENIUM AND TELLURIUM, AND THEN SUBJECTING THE COMPOUND TO THE ACTION OF MECHANICAL PRESSURE OF AT LEAST 100 POUNDS PER SQUARE INCH AT A TEMPERATURE OF AT LEAST 300* F. FOR AT LEAST ONE HOUR.
Claim 2
Dependent Claim
109 words
A PROCESS OF TREATING THE SURFACE OF A METAL OF THE TYPE EMPLOYED FOR BEARING SURFACES TO IMPROVE ITS LUBRICANT PROPERITIES, WHICH COMPRISES DEPOSITING ON THE SURFACE OF SAID METAL A COMPOUND OF THE GENERAL FORMULA MX2, WHERE M REPRESENTS AN ELEMENT SELECTED FROMTHE GROUP CONSISTING OF IRON, MANGANESE, COBALT, MOLYBDENUM, TUNGSTEN, RUTHENIUM, PLATINUM, OSMIUM, CONIUM, URANIUM PALLADIUM, PLATINUM, OSMIUM AND IRIDIUM, AND X REPRESENTS AN ELEMENT SELECED FROM THE GROUP CONSISTING OF SULFUR, SELENIUM AND TELLURIUM, AND THEN SUBJECTING THE COMPOUND TO THE ACTION OF MECHANICAL PRESSURE OF AT LEAST 100 POUNDS PER SQUARE INCH AT A TEMPERATURE OF AT LEAST 300* F. FOR AT LEAST ONE HOUR.
References Cited (Backward Citations)
US1925305A
Cited
US2387872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |