US3128755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Undercut resistant diamond abrasive saw blade
Assignee: Vanguard Abrasive Corp
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Filing: 1962-10-01
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Granted: 1964-04-14
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Donald H Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:24
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/12; B28D1/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN ABRASIVE BLADE COMPRISING A STEEL CENTER HAVING A RADIALLY SLOTTED OUTER MARGINAL PORTION FORMING A PLURALITY OF SPACED PERIPHERAL SEGMENTS, SELECTED SEGMENTS HAVING A SHORTER RADIAL DIMENSION THAN THE OTHER SEGMENTS, A DIAMOND SEGMENT BONDED TO THE PERIPHERAL EDGE OF EACH OF SAID OTHER SEGMENTS, AND AN ABRASIVE SEGMENT BONDED TO THE PERIPHERAL EDGE OF EACH OF SAID SELECTED SEGMENTS, SAID DIAMOND SEGMENT HAVING A WIDTH GREATER THAN THE WIDTH OF SAID STEEL CENTER ABOUT SAID OUTER MARGINAL PORTION, SAID ABRASIVE SEGMENT HAVING A WIDTH GREATER THAN SAID STEEL CENTER ABOUT SAID MARGINAL PORTION AND NOT EXCEEDING THE WIDTH OF SAID DIAMOND SEGMENT, AND SAID ABRASIVE SEGMENT HAVING THE INNER BONDED EDGE PORTION SPACED INWARDLY IN OFFSET RELATION TO THE CORRESPONDING PORTIONS OF SAID DIAMOND SEGMENT, EACH OF SAID ABRASIVE SEGMENTS BEING OF DIAMOND-IMPREGNATED MATERIAL THROUGHOUT ITS ENTIRE RADIAL THICKNESS FROM ITS OUTER CIRCUMFERENTIAL EDGE TO ITS INNER EDGE OFFSET INWARDLY WITH RESPECT TO THE INNER EDGES OF SAID DIAMOND SEGMENTS.
Claim 2
Dependent Claim
162 words
AN ABRASIVE BLADE COMPRISING A STEEL CENTER HAVING A RADIALLY SLOTTED OUTER MARGINAL PORTION FORMING A PLURALITY OF SPACED PERIPHERAL SEGMENTS, SELECTED SEGMENTS HAVING A SHORTER RADIAL DIMENSION THAN THE OTHER SEGMENTS, A DIAMOND SEGMENT BONDED TO THE PERIPHERAL EDGE OF EACH OF SAID OTHER SEGMENTS, AND AN ABRASIVE SEGMENT BONDED TO THE PERIPHERAL EDGE OF EACH OF SAID SELECTED SEGMENTS, SAID DIAMOND SEGMENT HAVING A WIDTH GREATER THAN THE WIDTH OF SAID STEEL CENTER ABOUT SAID OUTER MARGINAL PORTION, SAID ABRASIVE SEGMENT HAVING A WIDTH GREATER THAN SAID STEEL CENTER ABOUT SAID MARGINAL PORTION AND NOT EXCEEDING THE WIDTH OF SAID DIAMOND SEGMENT, AND SAID ABRASIVE SEGMENT HAVING THE INNER BONDED EDGE PORTION SPACED INWARDLY IN OFFSET RELATION TO THE CORRESPONDING PORTIONS OF SAID DIAMOND SEGMENT, EACH OF SAID ABRASIVE SEGMENTS BEING OF DIAMOND-IMPREGNATED MATERIAL THROUGHOUT ITS ENTIRE RADIAL THICKNESS FROM ITS OUTER CIRCUMFERENTIAL EDGE TO ITS INNER EDGE OFFSET INWARDLY WITH RESPECT TO THE INNER EDGES OF SAID DIAMOND SEGMENTS.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |