Patent US3840461A successfully refreshed from Google Patents.
US3840461A
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Glass powder lubricant dispersions
Assignee: INST DE QUIMICA FISICA ROCASOLANO ES
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Filing: 1972-10-13
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Granted: 1974-10-08
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Expires: 1992-10-13
Abstract
Abstract 1. A METHOD OF LUBRICAING SOLIDS SURFACES UNDER HIGH CNTACT PRESSURE AND AT APPROXIMATELY ROOM TEMPERATURE WHICH COMPRISES APPLYING TO SAID SURFACES A LUBRICATING COMPOSITION COMPRISING GLASS POWDER HAVING A PARTICLE SIZE OF 1-150 MICRONS DISPERSED UNIFORMLY IN A LUBRICANT CARRIER SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OILS AND LUBRICATING GREASES.
Inventors
- 👤 L Espunes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:25
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/26; C10M125/28; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/102; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/063; C10M2201/087; C10M2201/10; C10M2201/105; C10M2201/12; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF LUBRICAING SOLIDS SURFACES UNDER HIGH CNTACT PRESSURE AND AT APPROXIMATELY ROOM TEMPERATURE WHICH COMPRISES APPLYING TO SAID SURFACES A LUBRICATING COMPOSITION COMPRISING GLASS POWDER HAVING A PARTICLE SIZE OF 1-150 MICRONS DISPERSED UNIFORMLY IN A LUBRICANT CARRIER SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OILS AND LUBRICATING GREASES.
Claim 2
Independent Claim
51 words
A METHOD OF LUBRICAING SOLIDS SURFACES UNDER HIGH CNTACT PRESSURE AND AT APPROXIMATELY ROOM TEMPERATURE WHICH COMPRISES APPLYING TO SAID SURFACES A LUBRICATING COMPOSITION COMPRISING GLASS POWDER HAVING A PARTICLE SIZE OF 1-150 MICRONS DISPERSED UNIFORMLY IN A LUBRICANT CARRIER SELECTED FROM THE GROUP CONSISTING OF LUBRICATING OILS AND LUBRICATING GREASES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |