US3575858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition consisting of perarylated silanes and solid lubricant powders
Assignee: United States Department of the Air Force
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Filing: 1969-05-20
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Granted: 1971-04-20
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Expires: 1989-05-20
Abstract
Abstract HIGH TEMPERATURE LUBRICANTS COMPRISING HOMOGENEOUS MIXTURES OF 10 TO 90 PERCENT BY WEIGHT OF PERARYLATED SILANES WITH 90 TO 10 PERCENT BY WEIGHT OF SOLID MOS2, GRAPHITE, BN, ALUMINUM POWDER, OR LOW MELTING GLASS. THE COMPOSITIONS DISCLOSED HEREIN HAVE UTILITY IN MEETING THE ELEVATED TEMPERATURE LUBRICATION REQUIREMENTS OF THE METALWORKING INDUSTRY.
Inventors
- 👤 Attwell M Adair
- 👤 Leonald Spialter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:27
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/05; C10M2201/06; C10M2201/061; C10M2201/065; C10M2201/066; C10M2201/12; C10M2201/16; C10M2201/18; C10M2227/00; C10M2227/04; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |