US2993567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry lubrication
Assignee: Institut Dr Ing Reinhard Straumann AG
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Filing: 1958-06-04
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Granted: 1961-07-25
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Expires: 1978-06-04
Abstract
No abstract record available.
Inventors
- 👤 Schachner Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/08; C; C01; C01B; C01B32/00; C10; C10M; C10M7/00; F; F16; F16N; F16N15/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10N; C10N2040/00; C10N2040/06; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/08; C10N2050/10; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A METHOD OF USING FLUORINATED GRAPHITE HAVING A CARBON TO FLUORINE RATIO OF ABOUT 1:1, COMPRISING APPLYING IT TO A SURFACE WHICH IS SUBJECTED TO A FRICTIONAL STRAIN FOR LUBRICATING SAID SURFACE.
Claim 2
Independent Claim
32 words
A METHOD OF USING FLUORINATED GRAPHITE HAVING A CARBON TO FLUORINE RATIO OF ABOUT 1:1, COMPRISING APPLYING IT TO A SURFACE WHICH IS SUBJECTED TO A FRICTIONAL STRAIN FOR LUBRICATING SAID SURFACE.
References Cited (Backward Citations)
CA511772A
Cited
US1676596A
Cited
US2387872A
Cited
US2657668A
Cited
GB677240A
Cited
GB676300A
Cited
GB695195A
Cited
US2798005A
Cited
US2703552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |