US3270468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive device
Assignee: Merit Products Inc
•
Filing: 1963-07-01
•
Granted: 1966-09-06
•
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
2026-11-05 10:05
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
IN AN APPARATUS FOR THE CHARACTER DESCRIBED, MEANS FOR MOUNTING AN ABRASIVE DISK MEMBER ON A ROTARY DRIVE MEMBER, COMPRISING: A FIRST STRUCTURE ON SAID DRIVE MEMBER FOR ROTATION WITH THE DRIVE MEMBER AND FORMING A BOSS WITH AN AXIALLY INWARDLY FACING PERIPHERAL SHOULDER; A SECOND STRUCTURE UNITED WITH ABRASIVE DISK TO ENCLOSE SAID BOSS AND RELEASABLY ENGAGE SAID PERIPHERAL SHOULDER TO RESIST AXIAL SEPARATION OF THE TWO STRUCTURES, THE SECOND STRUCTURE BEING PROVIDED WITH AT LEAST ONE RADIAL PROJECTION; AND MEANS ON SAID FIRST STRUCTURE AND POSITIONED RADIALLY OF SADI BOSS AND RESPONSIVE TO THE ROTATION OF THE DRIVE MEMBER TO ENGAGE THE RADIAL PROJECTION OF SAID SECOND STRUCTURE AND CAUSE THE SECOND STRUCTURE TO ROTATE WITH THE SOCKET STRUCTURE.
References Cited (Backward Citations)
US2747343A
Cited
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 |