US3701703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an abrasive foam laminate
Assignee: Saint Gobain Abrasives Inc
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Filing: 1971-07-12
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Granted: 1972-10-31
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Expires: 1991-07-12
Abstract
Abstract THE PRESENT INVENTION RELATES GENERALLY TO AN IMPROVED ABRASIVE MATERIAL AND MORE SPECIFICALLY TO A METHOD OF PREPARING AN ABRASIVE MATERIAL DESIGNED TO GIVE BOTH HIGH FINISH AND STOCK REMOVAL.
Inventors
- 👤 William F Zimmer Jr
- 👤 Harvey L Chew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:55
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/18; B24; B24D; B24D11/00; B24D11/001; B24D11/005; B32B2266/00; B32B2266/06; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |