US3226888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic abrasive disc holder and disc
Assignee: Individual
•
Filing: 1962-11-20
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Granted: 1966-01-04
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Paul P Erenyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:47
CPC Classifications
B; B24; B24D; B24D9/00; B24D9/08; B24D9/085; B24D7/00; B24D7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ABRASIVE DISC AND HOLDER THEREFOR WHICH INCLUDES; A DISC OF ABRASIVE MATERIAL; A MAGNETIZABLE MEMBER CENTRALLY LOCATED WITH RESPECT TO SAID ABRASIVE DISC AND FIXEDLY HELD TO THE BACK THEREOF, SAID MAGNETIZABLE MEMBER HAVING A PLURALITY OF EARS PROJECTING THEREFROM; A DRIVING MEMBER ADAPTED TO RELEASABLY RECEIVE SAID ABRASIVE DISCS AND SAID MAGNETIZABLE MEMBER, SAID DRIVING MEMBER INCLUDING A BACKING MEMBER ADAPTED TO DRIVE AND REINFORCE SAID ABRASIVE DISC AND HAVING A SLOTS ADAPTED TO RECEIVE EARS OF SAID MAGNETIZABLE MEMBER; AND MAGNETIC MEANS MOUNTED IN SAID DRIVING MEMBER AND POSITIONED TO ATTRACT SAID MAGNETIZABLE MEMBER AND THEREBY RELEASABLY HOLD SAID EARS IN SAID SLOTS.
Claim 2
Dependent Claim
106 words
AN ABRASIVE DISC AND HOLDER THEREFOR WHICH INCLUDES; A DISC OF ABRASIVE MATERIAL; A MAGNETIZABLE MEMBER CENTRALLY LOCATED WITH RESPECT TO SAID ABRASIVE DISC AND FIXEDLY HELD TO THE BACK THEREOF, SAID MAGNETIZABLE MEMBER HAVING A PLURALITY OF EARS PROJECTING THEREFROM; A DRIVING MEMBER ADAPTED TO RELEASABLY RECEIVE SAID ABRASIVE DISCS AND SAID MAGNETIZABLE MEMBER, SAID DRIVING MEMBER INCLUDING A BACKING MEMBER ADAPTED TO DRIVE AND REINFORCE SAID ABRASIVE DISC AND HAVING A SLOTS ADAPTED TO RECEIVE EARS OF SAID MAGNETIZABLE MEMBER; AND MAGNETIC MEANS MOUNTED IN SAID DRIVING MEMBER AND POSITIONED TO ATTRACT SAID MAGNETIZABLE MEMBER AND THEREBY RELEASABLY HOLD SAID EARS IN SAID SLOTS.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |