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US4867760B1
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US4867760B1 - - Google Patents
Assignee: Saint Gobain Abrasives Inc
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Filing: 1984-08-17
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Granted: 1991-12-17
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Expires: 2004-08-17
Abstract
No abstract record available.
Inventors
- 👤 A Yarbrough Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:21
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T442/00; Y10T442/20; Y10T442/2861
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) | 1994-12-16 | 1995-06-17 | 1995-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-16 | 1999-06-17 | 1999-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-16 | 2003-06-17 | 2003-12-17 | $7700.00 | Window Closed / Lapsed |