Patent US2533328A successfully refreshed from Google Patents.
US2533328A
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Lubricant coolant solution
Assignee: JANET W RODGERS
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Filing: 1945-08-27
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Granted: 1950-12-12
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Expires: 1965-08-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas T Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:59
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A LUBRICANT COOLANT SOLUTION CONSISTING OF FROM 2/10% TO 50% BY WEIGHT OF A SUBSTANCE DEFINED BY THE FORMULA RX(N-M)M(NHR''NH2HX) WHEREIN R REPRESENTS CARBON HYDROGEN STRUCTURE OF PARAFFIN, X REPRESENTS HALOGEN, N A NUMBER OF HALOGEN ATOMS GREATER THAN ONE, M REPRESENTS A NUMBER LESS THAN N, AND R'' AN ALKYLENE POLYAMINE HAVING AT LEAST TWO PRIMARY AMINE GROUPS, SAID SUBSTANCE BEING CONTAINED IN SOLUTION IN WATER.
Claim 2
Dependent Claim
67 words
A LUBRICANT COOLANT SOLUTION CONSISTING OF FROM 2/10% TO 50% BY WEIGHT OF A SUBSTANCE DEFINED BY THE FORMULA RX(N-M)M(NHR''NH2HX) WHEREIN R REPRESENTS CARBON HYDROGEN STRUCTURE OF PARAFFIN, X REPRESENTS HALOGEN, N A NUMBER OF HALOGEN ATOMS GREATER THAN ONE, M REPRESENTS A NUMBER LESS THAN N, AND R'' AN ALKYLENE POLYAMINE HAVING AT LEAST TWO PRIMARY AMINE GROUPS, SAID SUBSTANCE BEING CONTAINED IN SOLUTION IN WATER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |