US2591570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting oil
Assignee: ExxonMobil Oil Corp
•
Filing: 1949-04-08
•
Granted: 1952-04-01
•
Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Manilych Samuel
- 👤 Lee L Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:44
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/288; C10M2207/34; C10M2211/00; C10M2211/02; C10M2211/08; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOUND OIL CONSISTING ESSENTIALLY OF A MINERAL OIL BASE OF LUBRICATING GRADE CONTAINING ABOUT 0.9 PER CENT ACTIVE SULFUR AND COMMERCIAL HYDROABIETYL ALCOHOL IN AMOUNT OF 0.1 TO ABOUT 10% EFFECTIVE TO INCREASE DRILL LIFE.
Claim 2
Dependent Claim
36 words
A COMPOUND OIL CONSISTING ESSENTIALLY OF A MINERAL OIL BASE OF LUBRICATING GRADE CONTAINING ABOUT 0.9 PER CENT ACTIVE SULFUR AND COMMERCIAL HYDROABIETYL ALCOHOL IN AMOUNT OF 0.1 TO ABOUT 10% EFFECTIVE TO INCREASE DRILL LIFE.
References Cited (Backward Citations)
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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) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |