US2614985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition containing boric acid
Assignee: Shell Development Co
•
Filing: 1951-10-25
•
Granted: 1952-10-21
•
Expires: 1971-10-25
Abstract
No abstract record available.
Inventors
- 👤 David L Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:18
CPC Classifications
C; C10; C10M; C10M125/00; C10M125/26; C10M2201/00; C10M2201/087; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/10; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/20; 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
27 words
A LUBRICATING COMPOSITION COMPRISING AT LEAST 90% OF A MINERAL LUBRICATING OIL CONTAINING DISPERSED THEREIN FROM ABOUT 0.05 TO ABOUT 2 WT. PER CENT OF BORIC ACID.
Claim 2
Dependent Claim
27 words
A LUBRICATING COMPOSITION COMPRISING AT LEAST 90% OF A MINERAL LUBRICATING OIL CONTAINING DISPERSED THEREIN FROM ABOUT 0.05 TO ABOUT 2 WT. PER CENT OF BORIC ACID.
References Cited (Backward Citations)
US2156918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |