Patent US2704276A successfully refreshed from Google Patents.
US2704276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Gulf Research and Development Co
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Filing: 1954-02-12
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Granted: 1955-03-15
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Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Paul R Mccarthy
- 👤 Thomas R Orem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:25
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/14; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/14; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10N; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A LUBRICANT COMPRISING A DISPERSION OF A COMPOUND OF A BENTONITE AND AN ORGANIC BASE CONTAINING 10 TO 20 CARBON ATOMS IN A SOLUTION OF AN OIL AND A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED ETHYLENE, POLYMERIZED ESTERS OF ACRYLIC ACID, AND POLYMERIZED ESTERS OF ALPHA-METHACRYLIC ACID, WHEREIN THE AMOUNT OF SAID BENTONITE COMPOUND IS SUFFICIENT TO PRODUCE A COMPOSI TION HAVING THE CONSISTENCY OF A GREASE AND WHEREIN THE AMOUNT OF SAID POLYMER IS SUFFICIENT TO IMPROVE THE WATERLEACHING CHARACTERISTIC OF SAID LUBRICANT.
Claim 2
Dependent Claim
86 words
A LUBRICANT COMPRISING A DISPERSION OF A COMPOUND OF A BENTONITE AND AN ORGANIC BASE CONTAINING 10 TO 20 CARBON ATOMS IN A SOLUTION OF AN OIL AND A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED ETHYLENE, POLYMERIZED ESTERS OF ACRYLIC ACID, AND POLYMERIZED ESTERS OF ALPHA-METHACRYLIC ACID, WHEREIN THE AMOUNT OF SAID BENTONITE COMPOUND IS SUFFICIENT TO PRODUCE A COMPOSI TION HAVING THE CONSISTENCY OF A GREASE AND WHEREIN THE AMOUNT OF SAID POLYMER IS SUFFICIENT TO IMPROVE THE WATERLEACHING CHARACTERISTIC OF SAID LUBRICANT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |