US3535832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vitrified bonded wheel for electrochemical grinding containing conductive metal and a thermoset polymer filler
Assignee: Saint Gobain Abrasives Inc
•
Filing: 1967-10-13
•
Granted: 1970-10-27
•
Expires: 1987-10-13
Abstract
No abstract record available.
Inventors
- 👤 John J Amero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:58
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/348; B23; B23H; B23H5/00; B23H5/06; B23H5/08; B24D3/02; B24D3/04; B24D3/14; B24D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1403416A
Cited
US2243105A
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US2421623A
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US2774108A
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US3062633A
Cited
US3216854A
Cited
US3310390A
Cited
US3321287A
Cited
US3433730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |