US3547609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive thermoset resin-bonded grinding wheel containing silver particles
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1967-10-31
•
Granted: 1970-12-15
•
Expires: 1987-10-31
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Gerry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:41
CPC Classifications
B; B24; B24D; B24D7/00; B24D18/00; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2162600A
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US2243105A
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US2371700A
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US3062633A
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US3216854A
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US3203775A
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US3321287A
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US3283448A
Cited
US3433730A
Cited
US3402035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |