US2732348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-in-water metalworking lubricant
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:15
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/043; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/085; C10M2201/086; C10M2201/10; C10M2201/102; C10M2201/103; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/18; C10M2207/20; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2211/08; C10M2213/00; C10M2213/02; C10M2213/04; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/026; C10M2217/028; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/044; C10M2217/045; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/024; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/083; C10M2221/00; C10M2221/04; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/049; C10M2223/12; C10M2225/00; C10M2225/02; C10M2225/04; C10M2227/00; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN IMPROVED OIL-IN-WATER METAL WORKING EMULSION LUBRICANT CONCENTRATE CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF OIL-IN-WATER EMULSION STABILIZED BY ADDITION THERETO OF A MINOR, BUT STABILIZING AMOUNT, OF AN OILSOLUBLE ALKALI METAL PETROLEUM SULFONATE, AND FROM A FRACTION OF 1% UP TO 20% BY WEIGHT OF POLYVINYL CHLORIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 40,000 TO 100,000.
Claim 2
Dependent Claim
59 words
AN IMPROVED OIL-IN-WATER METAL WORKING EMULSION LUBRICANT CONCENTRATE CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF OIL-IN-WATER EMULSION STABILIZED BY ADDITION THERETO OF A MINOR, BUT STABILIZING AMOUNT, OF AN OILSOLUBLE ALKALI METAL PETROLEUM SULFONATE, AND FROM A FRACTION OF 1% UP TO 20% BY WEIGHT OF POLYVINYL CHLORIDE POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM 40,000 TO 100,000.
References Cited (Backward Citations)
US2585820A
Cited
US2335608A
Cited
US2298833A
Cited
US2470913A
Cited
US2511113A
Cited
US2562844A
Cited
US2610151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |