Patent US3284357A successfully refreshed from Google Patents.
US3284357A
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Grease thickeners
Assignee: Chevron USA Inc
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Filing: 1964-06-23
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Granted: 1966-11-08
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Expires: 1984-06-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Koundakjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/08; C07; C07C; C07C275/00; C07C275/28; C07C275/40; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2215/00; C10M2215/10; C10M2215/102; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2040/00; C10N2040/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A GREACE COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, AN AMINO ARYL DIUREA OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
32 words
A GREACE COMPOSITION COMPRISING AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GREASE, AN AMINO ARYL DIUREA OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2832739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |