US3329488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin bonded abrasive articles containing olivine
Assignee: Unifrax I LLC
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Filing: 1964-07-24
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Granted: 1967-07-04
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Expires: 1984-07-24
Abstract
No abstract record available.
Inventors
- 👤 Louis L Cofran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/32; B24D18/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
IN AN ABRASIVE ARTICLE COMPRISING ABRASIVE GRAINS BONDED WITH AN ORGANIC RESIN, THE COMBINATION THEREWITH OF A PARTICULATE, FRIABLE PORE-FORMING MATERIAL CONSISTING ESSENTIALLY OF OLIVINE.
Claim 2
Dependent Claim
25 words
IN AN ABRASIVE ARTICLE COMPRISING ABRASIVE GRAINS BONDED WITH AN ORGANIC RESIN, THE COMBINATION THEREWITH OF A PARTICULATE, FRIABLE PORE-FORMING MATERIAL CONSISTING ESSENTIALLY OF OLIVINE.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |