US3346497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Greases containing amidourea thickeners
Assignee: Chevron USA Inc
•
Filing: 1965-04-01
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Granted: 1967-10-10
•
Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 John L Dreher
- 👤 Bruce W Hotten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:20
CPC Classifications
C; C10; C10M; C10M115/00; C10M115/08; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/10; C10M2215/102; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A GREASE COMPOSITON COMPRISING AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GRESE, A CARBOXYLIC-UREIDO DERIVATIVE OF THE FORMULA:
Claim 2
Dependent Claim
30 words
A GREASE COMPOSITON COMPRISING AN OIL OF LUBRICATING VISCOSITY AND, IN AN AMOUNT SUFFICIENT TO THICKEN SAID OIL TO THE CONSISTENCY OF A GRESE, A CARBOXYLIC-UREIDO DERIVATIVE OF THE FORMULA:
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |