US2605225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized greases
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-09-05
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Granted: 1952-07-29
•
Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Eldon L Armstrong
- 👤 Richard A Butcosk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:17
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/105; C10M2205/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A GREASE COMPRISING PREDOMINANTLY A LUBRICATING FRACTION OF MINERAL OIL, A MINOR PROPORTION OF A THICKENING AGENT AND AN AMOUNT OF A CARBOXYLIC ACID TYPE ION-EXCHANGE RESIN EFFECTIVE TO STABILIZE SAID GREASE TO OXIDATION.
Claim 2
Dependent Claim
34 words
A GREASE COMPRISING PREDOMINANTLY A LUBRICATING FRACTION OF MINERAL OIL, A MINOR PROPORTION OF A THICKENING AGENT AND AN AMOUNT OF A CARBOXYLIC ACID TYPE ION-EXCHANGE RESIN EFFECTIVE TO STABILIZE SAID GREASE TO OXIDATION.
References Cited (Backward Citations)
US2453850A
Cited
US2485485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |