Patent US2564561A successfully refreshed from Google Patents.
US2564561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease composition
Assignee: ExxonMobil Oil Corp
•
Filing: 1944-05-20
•
Granted: 1951-08-14
•
Expires: 1964-05-20
Abstract
No abstract record available.
Inventors
- 👤 Emmett S Carmichael
- 👤 Eldon L Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:44
CPC Classifications
C; C10; C10M; C10M5/00; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
AN IMPROVED BARIUM BASE GREASE COMPOSITION CHARACTERIZED BY STABILITY AT TEMPERATURES INN EXCESS OF 200* F., COMPRISING LUBRICATING OIL AND A SUFFICIENT PROPORTION OF THE BARIUM SOAPS OF FATTY ACIDS TO CHARACTERIZE THE GREASE AS ONE HAVING A BARIUM BASE AND, IN ADDITION THERETO, A SMALL PROPORTION SUFFICIENT TO STABILIZED THE GREASE OF THE BARIUM SALT OF A MONO BASIC FATTY ACID HAVING NOT MORE THAN 6 CARBON ATOMS.
References Cited (Backward Citations)
US2033148A
Cited
US2070781A
Cited
US2154383A
Cited
US2197263A
Cited
US2332247A
Cited
US2332825A
Cited
US2355099A
Cited
US2417433A
Cited
US2417428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |