US2853451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating agents
Assignee: Celanese Corp
•
Filing: 1955-03-04
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Granted: 1958-09-23
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Fortess Fred
- 👤 Jr Conrad Hohing
- 👤 Charles E Kip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:29
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/02; D06M7/00; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2040/00; C10N2040/46; C10N2050/00; C10N2050/015; C10N2050/02; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A LUBRICATING COMPOSITION FOR FILAMENTARY MATERIALS, COMPRISING ABOUT 20 TO 45 PARTS BY WEIGHT OF N-EICOSANE AND ABOUT 25 TO 45 PARTS BY WEIGHT OF AN AMINE SALT OF AN ACID PHOSPHATE OF A HIGHER FATTY ALCOHOL.
Claim 2
Dependent Claim
37 words
A LUBRICATING COMPOSITION FOR FILAMENTARY MATERIALS, COMPRISING ABOUT 20 TO 45 PARTS BY WEIGHT OF N-EICOSANE AND ABOUT 25 TO 45 PARTS BY WEIGHT OF AN AMINE SALT OF AN ACID PHOSPHATE OF A HIGHER FATTY ALCOHOL.
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |