Patent US3215861A successfully refreshed from Google Patents.
US2731360A
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Method for incorporating a solid lubricant into a porous metallic surface
Assignee: Federal Mogul Engineering Ltd
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Filing: 1952-04-01
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Granted: 1956-01-17
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Expires: 1972-04-01
Abstract
No abstract record available.
Inventors
- 👤 Love Phil Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF INCORPORATTING A SOLID NON-METALLIC LUBRICANT INTO A RECEPTIVE METAL SURFACE COMPRISING REMOVING AIR FROM TTHE SURFACE BY THE APPLICATION OF SUB-ATMOSPHERIC PRESSURE, THEREAFTER APPLYING THE SOLID NON-METALLIC LUBRICANT TO THE RECEPTIVE SURFACE IN THE FORM OF A COLLOIDAL SUSPENSION IN A VAPORIZABLE CARRIER LIQUID, RAISING THE PRESSURE TO DRIVE THE SUSPENSION INTO SAID SURFACE, EVAPORIZING THE CARRIER LIQUID TO LEAVE THE SOLID LUBRICANT IN THE RECEPTIVE SURFACE, REPEATING THIS CYCLE OF TREATMENT UNTIL THE RECEPTIVE SURFACE IS SUBSTANTIALLY FILLED WITH THE SOLID LUBRICANT, AND THEN BURNISHING THE IMPREGNATED SURFACE TO COMPACT THE SOLID LUBRICENT THEREIN.
Claim 2
Independent Claim
98 words
A METHOD OF INCORPORATTING A SOLID NON-METALLIC LUBRICANT INTO A RECEPTIVE METAL SURFACE COMPRISING REMOVING AIR FROM TTHE SURFACE BY THE APPLICATION OF SUB-ATMOSPHERIC PRESSURE, THEREAFTER APPLYING THE SOLID NON-METALLIC LUBRICANT TO THE RECEPTIVE SURFACE IN THE FORM OF A COLLOIDAL SUSPENSION IN A VAPORIZABLE CARRIER LIQUID, RAISING THE PRESSURE TO DRIVE THE SUSPENSION INTO SAID SURFACE, EVAPORIZING THE CARRIER LIQUID TO LEAVE THE SOLID LUBRICANT IN THE RECEPTIVE SURFACE, REPEATING THIS CYCLE OF TREATMENT UNTIL THE RECEPTIVE SURFACE IS SUBSTANTIALLY FILLED WITH THE SOLID LUBRICANT, AND THEN BURNISHING THE IMPREGNATED SURFACE TO COMPACT THE SOLID LUBRICENT THEREIN.
References Cited (Backward Citations)
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US1214630A
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US1686063A
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US1964671A
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US2225815A
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US2378588A
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |