US3048482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive articles and methods of making the same
Assignee: Dart Industries Inc
•
Filing: 1958-10-22
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Granted: 1962-08-07
•
Expires: 1978-10-22
Abstract
No abstract record available.
Inventors
- 👤 Hurst Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:58
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN ABRASIVE ARTICLE CONSISTING ESSENTIALLY OF A MULTIPLICITY OF SMALL, INDIVIDUAL BONDED ABRASIVE BODIES, EACH OF SAID BODIES BEING ROUGHLY PYRAMIDAL IN SHAPE AND COMPOSED OF DISCRETE ABRASIVE GRANULES AND A RIGID HEATHARDENED ORGANIC BOND SELECTED FROM THE GROUP CONSISTING OF HEAT-HARDENED PHENOLIC RESINS AND VULCANIZED HARD RUBBERS, EACH OF SAID SMALL BONDED ABRISIVE BODIES BEING HELD WITHIN A CAVITY CONFORMING IN SHAPE TO THE SMALL BONDED ABRASIVE BODY, THE CAVITIES FRO SAID BONDED ABRASIVE SHAPES BEING PROVIDED IN A PERMANENTLY FLEXIBLE MATRIX COMPOSED OF A FIBROUS MATERIAL CONTAINING INDIVIDUAL ABRASIVE PARTICLES DISPOSED THROUGHOUT THE FIRBROUS MATERIAL A PERMANENTLY RESILIENT, THERMOPLASTIC RESIN BOND.
Claim 2
Dependent Claim
103 words
AN ABRASIVE ARTICLE CONSISTING ESSENTIALLY OF A MULTIPLICITY OF SMALL, INDIVIDUAL BONDED ABRASIVE BODIES, EACH OF SAID BODIES BEING ROUGHLY PYRAMIDAL IN SHAPE AND COMPOSED OF DISCRETE ABRASIVE GRANULES AND A RIGID HEATHARDENED ORGANIC BOND SELECTED FROM THE GROUP CONSISTING OF HEAT-HARDENED PHENOLIC RESINS AND VULCANIZED HARD RUBBERS, EACH OF SAID SMALL BONDED ABRISIVE BODIES BEING HELD WITHIN A CAVITY CONFORMING IN SHAPE TO THE SMALL BONDED ABRASIVE BODY, THE CAVITIES FRO SAID BONDED ABRASIVE SHAPES BEING PROVIDED IN A PERMANENTLY FLEXIBLE MATRIX COMPOSED OF A FIBROUS MATERIAL CONTAINING INDIVIDUAL ABRASIVE PARTICLES DISPOSED THROUGHOUT THE FIRBROUS MATERIAL A PERMANENTLY RESILIENT, THERMOPLASTIC RESIN BOND.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |