US2583604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease
Assignee: HONORARY ADVISORY COUNCIL FOR SCIENTIFIC AND INDUSTRIAL RESEARCH
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Filing: 1948-12-18
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Granted: 1952-01-29
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Expires: 1968-12-18
Abstract
No abstract record available.
Inventors
- 👤 Aurelio F Sirianni
- 👤 Ira E Puddington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:10
CPC Classifications
C; C10; C10M; C10M7/00; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/04; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/102; C10M2209/103; C10M2209/104; C10M2209/12; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN OILY SYNTHETIC ESTER OF A DIBASIC ACID THICKENED TO A GREASE-LIKE CONSISTENCY WITH 1 TO 20%, DRY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF SILICA GEL HAVING ITS NORMAL WATER CONTENT SUBSTANTIALLY ENTIRELY REPLACED BY SAID OILY ESTER, AND 10% TO 100% OF AN ORGANOSILICON POLYMER WATERPROOFING AGENT, BASED ON THE DRY WEIGHT OF GEL, TO INHIBIT MOISTURE ABSORPTION BY SAID GEL.
Claim 2
Dependent Claim
68 words
A COMPOSITION CONSISTING ESSENTIALLY OF AN OILY SYNTHETIC ESTER OF A DIBASIC ACID THICKENED TO A GREASE-LIKE CONSISTENCY WITH 1 TO 20%, DRY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF SILICA GEL HAVING ITS NORMAL WATER CONTENT SUBSTANTIALLY ENTIRELY REPLACED BY SAID OILY ESTER, AND 10% TO 100% OF AN ORGANOSILICON POLYMER WATERPROOFING AGENT, BASED ON THE DRY WEIGHT OF GEL, TO INHIBIT MOISTURE ABSORPTION BY SAID GEL.
References Cited (Backward Citations)
US2260625A
Cited
US2456642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |