Patent US3201902A successfully refreshed from Google Patents.
US3201902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond abrasive saw rlade
Assignee: Vanguard Abrasive Corp
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Filing: 1962-10-29
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Granted: 1965-08-24
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Donald H Benson
- 👤 Willard R Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:43
CPC Classifications
B; B24; B24D; B24D5/00; B24D5/12; B24D5/123; B24D18/00; B24D18/0009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A DIAMOND ABRASIVE SAW BLADE COMPRISING A CIRCULAR SHEET STEEL DRIVE CORE HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED SHALLOS GROOVES IN ITS PERIPHERY, EACH OF SAID GROOVES HAVING A CIRCUMFERENTIAL LENGTH MATERIALLY GREATER THAN THE CIRCUMFERENTIAL DISTANCE BETWEEN ADJACENT GROOVES AND BEING OPEN TO BOTH SIDES OF THE CORE, AND A CORRESPONDING PLURALITY OF DIAMOND-BEARING CUTTING MEMBERS EACH SEATED IN ONE OF SAID GROOVES AND ENCAPSULATED AT BOTH ENDS AND ITS BOTTOM BY THE STEEL DRIVE CORE AND BONDED TO THE STEEL DRIVE CORE BY A METALLIC BOND AT BOTH ENDS OF THE GROOVE AND ALONG THE BOTTOM OF THE GROOVE IN WHICH THE CUTTING MEMBER IS SEATED, EACH OF SAID CUTTING MEMBERS BEING COMPOSED OF DIAMOND GRIT DIS PERSED AND EMBEDDED IN A METALLIC MATRIX AND PROJFCTING LATERALLY BEYOND BOTH OF THE RESPECTIVE SIDE FACES OF THE SHEET STEEL CORE AND ALSO PROJECTING RADIALLY INWARDLY TOWARD THE CENTER OF THE CORE BEYOND THE BOTTOM OF THE GROOVE IN WHICH THE CUTTING MEMBER IS SEATED, THE PERIPH-
Claim 2
Dependent Claim
167 words
A DIAMOND ABRASIVE SAW BLADE COMPRISING A CIRCULAR SHEET STEEL DRIVE CORE HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED SHALLOS GROOVES IN ITS PERIPHERY, EACH OF SAID GROOVES HAVING A CIRCUMFERENTIAL LENGTH MATERIALLY GREATER THAN THE CIRCUMFERENTIAL DISTANCE BETWEEN ADJACENT GROOVES AND BEING OPEN TO BOTH SIDES OF THE CORE, AND A CORRESPONDING PLURALITY OF DIAMOND-BEARING CUTTING MEMBERS EACH SEATED IN ONE OF SAID GROOVES AND ENCAPSULATED AT BOTH ENDS AND ITS BOTTOM BY THE STEEL DRIVE CORE AND BONDED TO THE STEEL DRIVE CORE BY A METALLIC BOND AT BOTH ENDS OF THE GROOVE AND ALONG THE BOTTOM OF THE GROOVE IN WHICH THE CUTTING MEMBER IS SEATED, EACH OF SAID CUTTING MEMBERS BEING COMPOSED OF DIAMOND GRIT DIS PERSED AND EMBEDDED IN A METALLIC MATRIX AND PROJFCTING LATERALLY BEYOND BOTH OF THE RESPECTIVE SIDE FACES OF THE SHEET STEEL CORE AND ALSO PROJECTING RADIALLY INWARDLY TOWARD THE CENTER OF THE CORE BEYOND THE BOTTOM OF THE GROOVE IN WHICH THE CUTTING MEMBER IS SEATED, THE PERIPH-
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |