US2733987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive articles and method of
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:36
CPC Classifications
C; C09; C09G; C09G1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN ABRASIVE ARTICLE COMPRISING ABRASIVE GRAINS IN INTIMATE ASSOCIATION WITH A CURED MIXTURED OF LIQUID DEPOLYMERIZED RUBBER, VULCANIZING INGREDIENTS THEREFOR, A THERMOSETTING PHENOLADEHYDE RESIN, AND GROUND CORN COB, SAID DEPOLYMERIZED RUBBER BEING EMPLOYED IN AMOUNT EQUAL TO FROM 4 TO 15%, SAID GROUND CORN COB BEING EMPOLYED IN AMOUNT EQUAL TO FROM 1 TO 50%, SAID RESIN BEING EMPLOYED IN AMOUNT UP TO 40%, SAID PERCENTAGES BEING BY VOLUME BASED UPON THE VOLUME OF THE ENTIRE FORMULATION BEFORE MOLDING, THE VOLUME RATIO OF SAID GROUND CORN COB AND SAID RESIN TO SAID DEPOLYMERIZED RUBBER BEING EQUAL TO FROM 3:1 TO 4:1.
References Cited (Backward Citations)
US1598328A
Cited
US1655396A
Cited
US1990737A
Cited
US2319182A
Cited
US2412599A
Cited
US2701191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |