US3634129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lubricating metal fasteners with an aqueous lubricant composition
Assignee: SPS Technologies LLC
•
Filing: 1970-01-26
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Granted: 1972-01-11
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Expires: 1990-01-26
Abstract
Abstract Aqueous compositions, useful per se as lubricants or for forming dry lubricating films, comprising a finely divided solid lubricant suspended in an aqueous solution of an alkali metal silicate and an alkali metal lignosulfonate. Methods for making such compositions and for coating metal fasteners therewith. Metal fasteners lubricated with such compositions.
Inventors
- 👤 John W Benz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:51
CPC Classifications
C; C10; C10M; C10M3/00; C10M125/00; C10M125/26; C10M135/00; C10M135/08; C10M135/10; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2201/065; C10M2201/066; C10M2201/087; C10M2201/10; C10M2201/102; C10M2201/105; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2050/00; C10N2050/01; C10N2050/015; C10N2050/02; C10N2050/10; Y; Y10; Y10S; Y10S411/00; Y10S411/914; Y10S516/00; Y10S516/01; Y10S516/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
The method as in claim 1 wherein said composition is dried after coating on said fasteners to form an adherent dry lubricating film.
Claim 2
Dependent Claim
29 words
The method as in claim 2 wherein said composition is first air dried and then ovencurred at an elevated temperature to render said adherent dry lubricating film water insoluble.
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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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |