US3270467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive device
Assignee: Merit Products Inc
•
Filing: 1963-07-01
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Granted: 1966-09-06
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Block Aleck
- 👤 Jr Joseph W Purcell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN AN APPARATUS OF THE CHARACTER DESCRIBED, MEANS FOR MOUNTING AN ABRASIVE DISC MEMBER ON A ROTARY DRIVE MEMBER, COMPRISING: A FIRST STRUCTURE ADAPTED TO BE MOUNTED ON SAID DRIVE MEMBER, SAID FIRST STRUCTURE INCLUDING A BOSS WITH AN AXIALLY INWARDLY FACING PERIPHERAL SHOULDER; A SECOND STRUCTURE ADAPTED TO BE UNITED WITH THE ABRASIVE DISC TO ENCLOSE SAID BOSS AND RELEASABLY ENGAGE SAID PERIPHERAL SHOULDER TO RESIST AXIAL SEPARATION OF THE TWO STRUCTURES, SAID HUB STRUCTURE BEING FORMED WITHA PLURALITY OF ANNULARLY DISPOSED SEGMENTS ANNULARLY SEPARATED FROM ONE ANOTHER BY GAPS; AND MEANS ON SAID FIRST STRUCTURE POSITIONED RADIALLY OF SAID BOSS AND EXTENDING THROUGH THE GAPS BETWEEN ADJACENT PAIRS OF ANNULARLY DISPOSED SEGMENTS TO ENGAGE SAID SECOND STRUCTURE TO CAUSE THE SECOND STRUCTURE TO ROTATE WITH THE FIRST STRUCTURE.
Claim 2
Dependent Claim
130 words
IN AN APPARATUS OF THE CHARACTER DESCRIBED, MEANS FOR MOUNTING AN ABRASIVE DISC MEMBER ON A ROTARY DRIVE MEMBER, COMPRISING: A FIRST STRUCTURE ADAPTED TO BE MOUNTED ON SAID DRIVE MEMBER, SAID FIRST STRUCTURE INCLUDING A BOSS WITH AN AXIALLY INWARDLY FACING PERIPHERAL SHOULDER; A SECOND STRUCTURE ADAPTED TO BE UNITED WITH THE ABRASIVE DISC TO ENCLOSE SAID BOSS AND RELEASABLY ENGAGE SAID PERIPHERAL SHOULDER TO RESIST AXIAL SEPARATION OF THE TWO STRUCTURES, SAID HUB STRUCTURE BEING FORMED WITHA PLURALITY OF ANNULARLY DISPOSED SEGMENTS ANNULARLY SEPARATED FROM ONE ANOTHER BY GAPS; AND MEANS ON SAID FIRST STRUCTURE POSITIONED RADIALLY OF SAID BOSS AND EXTENDING THROUGH THE GAPS BETWEEN ADJACENT PAIRS OF ANNULARLY DISPOSED SEGMENTS TO ENGAGE SAID SECOND STRUCTURE TO CAUSE THE SECOND STRUCTURE TO ROTATE WITH THE FIRST STRUCTURE.
References Cited (Backward Citations)
US2991596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |