Patent US3402034A successfully refreshed from Google Patents.
US3402034A
Expired / Lapsed
US
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Coated abrasive products
Assignee: Armour and Co
•
Filing: 1965-10-19
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Granted: 1968-09-17
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Schnabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:23
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/02; B32; B32B; B32B5/00; B32B5/22; B32B5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3136614A
Cited
US3014795A
Cited
US2981615A
Cited
US3246969A
Cited
US2958593A
Cited
US3020139A
Cited
US3169899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |