US3102011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tumbling chips
Assignee: Conversion Chemical Corp
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Filing: 1959-12-21
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Granted: 1963-08-27
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Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Kenneth P Bellinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:15
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/12; B24B31/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SOLID MOLDED LIGHTWEIGHT TUMBLING CHIP CONSISTING ESSENTIALLY OF 40-70 PERCENT BY WEIGHT OF ABRASIVE MATERIAL, 1.5-15.0 PERCENT BY WEIGHT OF GLASS FIBERS AND 20-55 PERCENT BY WEIGHT OF THERMOSETTING RESIN, SAID FIBERS AND ABRASIVE MATERIAL BEING SUBSTANTIALLY UNIFORMLY DISPERSED THROUGHOUT SAID TUMBLING CHIP AND BONDED BY SAID THERMOSETTING RESIN AND SAID CHIP BEING OF ELONGATED CONFUGURATION WITH A TAPERED END PORTION ADAPTED TO ENTER INTO APERTURES IN A WORKPIECE AND BEING CHARACTERIZED BY PRESENTING UNIFORM SUBSTANTIALLY SMOOTH ABRASIVE SURFACES DURING THE WORKING LIFE THEREOF.
Claim 2
Dependent Claim
85 words
A SOLID MOLDED LIGHTWEIGHT TUMBLING CHIP CONSISTING ESSENTIALLY OF 40-70 PERCENT BY WEIGHT OF ABRASIVE MATERIAL, 1.5-15.0 PERCENT BY WEIGHT OF GLASS FIBERS AND 20-55 PERCENT BY WEIGHT OF THERMOSETTING RESIN, SAID FIBERS AND ABRASIVE MATERIAL BEING SUBSTANTIALLY UNIFORMLY DISPERSED THROUGHOUT SAID TUMBLING CHIP AND BONDED BY SAID THERMOSETTING RESIN AND SAID CHIP BEING OF ELONGATED CONFUGURATION WITH A TAPERED END PORTION ADAPTED TO ENTER INTO APERTURES IN A WORKPIECE AND BEING CHARACTERIZED BY PRESENTING UNIFORM SUBSTANTIALLY SMOOTH ABRASIVE SURFACES DURING THE WORKING LIFE THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |