US3285850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid film lubricants
Assignee: Phillips Petroleum Co
•
Filing: 1964-02-13
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Granted: 1966-11-15
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 John P Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:14
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/06; C10M2201/065; C10M2201/066; C10M2201/10; C10M2201/102; C10M2221/00; C10M2221/02; C10N; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A LUBRICATING COMPOSITION SUITABLE FOR USE UNDER EXTREME ENVIRONMENTAL CONDITIONS WHICH COMPRISES A DISPERSION OF A MINOR AMOUNT, SUFFICIENT TO IMPART LUBRICITY OF ARYLENE SULFIDE POLYMER IN A MAJOR AMOUNT OF ALKALI METAL SILICATE.
Claim 2
Dependent Claim
34 words
A LUBRICATING COMPOSITION SUITABLE FOR USE UNDER EXTREME ENVIRONMENTAL CONDITIONS WHICH COMPRISES A DISPERSION OF A MINOR AMOUNT, SUFFICIENT TO IMPART LUBRICITY OF ARYLENE SULFIDE POLYMER IN A MAJOR AMOUNT OF ALKALI METAL SILICATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |