US3168387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasives
Assignee: Individual
•
Filing: 1959-11-17
•
Granted: 1965-02-02
•
Expires: 1979-11-17
Abstract
No abstract record available.
Inventors
- 👤 Donald R Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
B; B24; B24D; B24D11/00; B24D11/001; B24D11/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A COATED ABRASIVE, COMPRISING, A SHEET BACKING, A PLURALITY OF GRANULES OF AN ABRASIVE SUBSTANCE BONDED TO SAID BACKING WITH A BONDING MATERIAL, SAID GRANULES AND SAID BONDING MATERIAL BEING COATED WITH AN ADHERENT LAYER OF A METAL-LEAF PIGMENT.
References Cited (Backward Citations)
US2050992A
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US2374331A
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US2368473A
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US2353404A
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US2542058A
Cited
US2853401A
Cited
US2906612A
Cited
US3031344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |