US2734032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/042; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/20; C10M2215/202; C10N; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL LUBRICATING OIL AS THE ESSENTIAL LUBRICATING COMPONENT, A MINOR PROPORTION OF AN ALKYLATED PHENOL OXIDATION INHIBITOR AS ANTIOXIDANT, AND A MINOR PROPORTION OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
37 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL LUBRICATING OIL AS THE ESSENTIAL LUBRICATING COMPONENT, A MINOR PROPORTION OF AN ALKYLATED PHENOL OXIDATION INHIBITOR AS ANTIOXIDANT, AND A MINOR PROPORTION OF A COMPOUND HAVING 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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |