US2544641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for filling the pores of grinding wheels and wheels filled therewith
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1950-04-18
•
Granted: 1951-03-13
•
Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Loring Coes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:22
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A GRINDING WHEEL COMPRISING ABRASIVE GRAINS, BOND HOLDING THE GRAINS TOGETHER TO FORM THE WHEEL, THERE BEING PORES IN THE WHEEL, AND A GEL WHICH IS THE DIAMIDE OF ETHYLENE DIAMINE AND CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MYRISTIC ACID, PALMITIC ACID AND STEARIC ACID AND MIXTURES THEREOF HAVING IN SOLUTION THEREIN A SULPHURIZED NATURAL FAT, SAID DIAMIDE BEING FROM 5% TO 20% OF THE ENTIRE COMPOSITION, THE SULPHURIZED FAT HAVING FROM 10% TO 20% SULPHUR AND THE BALANCE OF THE COMPOSITION OVER THE DIAMIDE BEING AT LEAST 50% SAID SULPHURIZED FAT, SAID GEL FILLING SOME OF THE PORES OF THE WHEEL.
Claim 2
Dependent Claim
104 words
A GRINDING WHEEL COMPRISING ABRASIVE GRAINS, BOND HOLDING THE GRAINS TOGETHER TO FORM THE WHEEL, THERE BEING PORES IN THE WHEEL, AND A GEL WHICH IS THE DIAMIDE OF ETHYLENE DIAMINE AND CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF MYRISTIC ACID, PALMITIC ACID AND STEARIC ACID AND MIXTURES THEREOF HAVING IN SOLUTION THEREIN A SULPHURIZED NATURAL FAT, SAID DIAMIDE BEING FROM 5% TO 20% OF THE ENTIRE COMPOSITION, THE SULPHURIZED FAT HAVING FROM 10% TO 20% SULPHUR AND THE BALANCE OF THE COMPOSITION OVER THE DIAMIDE BEING AT LEAST 50% SAID SULPHURIZED FAT, SAID GEL FILLING SOME OF THE PORES OF THE WHEEL.
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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |