Patent US2734813A successfully refreshed from Google Patents.
US2734813A
Expired / Lapsed
US
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Abrasive article
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
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Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:37
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN ABRASIVE ARTICLE INCLUDING ABOUT 160 PARTS BY WEIGHT OF GRAINS OF AN ABRASIVE MATERIAL AND A BOND INTIMATELY ASSOCAIATED WITH SAID GRAINS, SAID BOND CONSISTING ESSENTIALLY OF ABOUT 7 TO 14 PARTS BY WEIGHT OF A THERMOSET RESIN BINDER AND FROM A MINIMUM OF ABOUT 67% TO A MAXIMUM OF ABOUT 95%, ALL BY WEIGHT OF SAID BOND, OF AN INSOLUBLE MINERAL FILLER, SAID FILLER BEING IN ADDITION TO SAID ABRASIVE MATERIAL.
Claim 2
Dependent Claim
73 words
AN ABRASIVE ARTICLE INCLUDING ABOUT 160 PARTS BY WEIGHT OF GRAINS OF AN ABRASIVE MATERIAL AND A BOND INTIMATELY ASSOCAIATED WITH SAID GRAINS, SAID BOND CONSISTING ESSENTIALLY OF ABOUT 7 TO 14 PARTS BY WEIGHT OF A THERMOSET RESIN BINDER AND FROM A MINIMUM OF ABOUT 67% TO A MAXIMUM OF ABOUT 95%, ALL BY WEIGHT OF SAID BOND, OF AN INSOLUBLE MINERAL FILLER, SAID FILLER BEING IN ADDITION TO SAID ABRASIVE MATERIAL.
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) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |