US2555174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitreous bonded diamond abrasive product and method of making same
Assignee: JK Smit and Sons Inc
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Filing: 1948-06-15
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Granted: 1951-05-29
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Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Whittaker Harry
- 👤 Paul L Kuzmick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:14
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/04; B24D3/14; C; C04; C04B; C04B14/00; C04B14/02; C04B14/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOF OF FORMING A VITREOUS BONDED DIAMOND ABRASIVE ARTICLE WHICH COMPRISES MIXING THE DIAMOND ABRASIVE PARTICLES WITH A BONDING MATERIAL CONSISTING ESSENTIALLYI OF A GLASS FROM THE GROUP CONSISTING OF BOROSILICATE GLASS, PHOSPHATE GLASS AND SODA-LIME GLASS, SAID GLASS HAVING THE PHYSICAL PROPERTY OF POURING EASILY IN LIQUEFIED STATE IN THE RANGE OF 1600* TO 1800* F., PLACING THE MIX IN A MOLD, HEATING THE MIX AT CONSTANT ATMOSPHERIC PRESSURE UNTIL IT SOFTENS, THEN APPLYING PRESSURE TO THE MOLD TO FORM THE ARTICLE, AND REMOVING THE FORMED ARTICLE FROM THE MOLD WITHOUT FURTHER CURING.
Claim 2
Dependent Claim
95 words
THE METHOF OF FORMING A VITREOUS BONDED DIAMOND ABRASIVE ARTICLE WHICH COMPRISES MIXING THE DIAMOND ABRASIVE PARTICLES WITH A BONDING MATERIAL CONSISTING ESSENTIALLYI OF A GLASS FROM THE GROUP CONSISTING OF BOROSILICATE GLASS, PHOSPHATE GLASS AND SODA-LIME GLASS, SAID GLASS HAVING THE PHYSICAL PROPERTY OF POURING EASILY IN LIQUEFIED STATE IN THE RANGE OF 1600* TO 1800* F., PLACING THE MIX IN A MOLD, HEATING THE MIX AT CONSTANT ATMOSPHERIC PRESSURE UNTIL IT SOFTENS, THEN APPLYING PRESSURE TO THE MOLD TO FORM THE ARTICLE, AND REMOVING THE FORMED ARTICLE FROM THE MOLD WITHOUT FURTHER CURING.
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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |