US2585820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Dow Chemical Co
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Filing: 1934-07-02
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Granted: 1952-02-12
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Expires: 1954-07-02
Abstract
No abstract record available.
Inventors
- 👤 Morell Le Grand
- 👤 Amos T Knutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/043; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A MINERAL LUBRICATING OIL AND A RELATIVELY SMALL PROPORTION OF A SUBSTANTIALLY NON-VOLATILE CHLORINATED PARAFFIN HYDROCARBON AS ESSENTIAL INGREDIENTS.
Claim 2
Dependent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A MINERAL LUBRICATING OIL AND A RELATIVELY SMALL PROPORTION OF A SUBSTANTIALLY NON-VOLATILE CHLORINATED PARAFFIN HYDROCARBON AS ESSENTIAL INGREDIENTS.
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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |