US2631978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalworking lubricant solution
Assignee: Individual
•
Filing: 1949-05-13
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Granted: 1953-03-17
•
Expires: 1969-05-13
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Bersworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:56
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A WITE DRAWING LUBRICANT SOLUTION FOR BERYLLIUM-COPPER ALLOYS, SAID SOLUTION CONSISTING OF AN AQUEOUS SOLUTION OF THE DI-SODIUM MONOCADMIUM SALT OF ETHYLENE DIAMINE TETRAACETIC ACID AND ALKALI METAL FATTY ACID SOAP, THE AMOUNT OF SAID SOAP BEING FROM 1% TO 20% THE AMOUNT OF SAID DI-SODIUM MONO-CADMIUM SALT AND THE AMONT OF SAID DI-SODIUM MONO-CADMIUM SALT BEING SUFFICIENT WITH THE WATER CONTENT OF THE SOLUTION TO PROVIDE THE DESIRED DENSITY TO THE LUBRICANT SOLUTION.
Claim 2
Dependent Claim
74 words
A WITE DRAWING LUBRICANT SOLUTION FOR BERYLLIUM-COPPER ALLOYS, SAID SOLUTION CONSISTING OF AN AQUEOUS SOLUTION OF THE DI-SODIUM MONOCADMIUM SALT OF ETHYLENE DIAMINE TETRAACETIC ACID AND ALKALI METAL FATTY ACID SOAP, THE AMOUNT OF SAID SOAP BEING FROM 1% TO 20% THE AMOUNT OF SAID DI-SODIUM MONO-CADMIUM SALT AND THE AMONT OF SAID DI-SODIUM MONO-CADMIUM SALT BEING SUFFICIENT WITH THE WATER CONTENT OF THE SOLUTION TO PROVIDE THE DESIRED DENSITY TO THE LUBRICANT SOLUTION.
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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |