Patent US3510283A successfully refreshed from Google Patents.
US3510283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low density abrasive containing an epoxy-novolak resin bond
Assignee: 3M Co
•
Filing: 1965-12-29
•
Granted: 1970-05-05
•
Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jon P Mcgurran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:15
CPC Classifications
C; C08; C08L; C08L63/00; C08J; C08J5/00; C08J5/24; C08J5/246; C08J5/249; C08J2363/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2521911A
Cited
US3052650A
Cited
US2779668A
Cited
US2880080A
Cited
US2958593A
Cited
US3020139A
Cited
US3226214A
Cited
US3273984A
Cited
US3205054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |