US2977302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lubrication employing a mixed metal sulfide lubricant and bearing surface with same applied thereto
Assignee: Alpha Molykote Corp
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Filing: 1957-06-05
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Granted: 1961-03-28
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Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Spengler Gunter
- 👤 Hohn Hannsheinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:33
CPC Classifications
C; C10; C10M; C10M7/00; C01; C01G; C01G39/00; C01G39/006; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A METHOD OF LUBRICATING A BEARING SURFACE WHICH COMPRISES APPLYING THERETO, AS A LUBRICANT, A MIXED METAL SULFIDE HAVING A CRYSTALLINE, LAYER-LATTICE STRUCTURE AND PREPARED BY THERMAL DECOMPOSITION OF A MIXED METAL TETRATHIO COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
38 words
A METHOD OF LUBRICATING A BEARING SURFACE WHICH COMPRISES APPLYING THERETO, AS A LUBRICANT, A MIXED METAL SULFIDE HAVING A CRYSTALLINE, LAYER-LATTICE STRUCTURE AND PREPARED BY THERMAL DECOMPOSITION OF A MIXED METAL TETRATHIO COMPOUND HAVING THE GENERAL FORMULA
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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |