Patent US3266878A successfully refreshed from Google Patents.
US3266878A
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US
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Coated abrasives
Assignee: Saint Gobain Abrasives Inc
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Filing: 1962-07-23
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Granted: 1966-08-16
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 William F Timmer
- 👤 Nolan A Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:25
CPC Classifications
C; C04; C04B; C04B14/00; C04B14/02; C04B14/32; B; B24; B24D; B24D11/00; C09; C09K; C09K3/00; C09K3/14; C09K3/1409; G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/708
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN A COATED ABRASIVE PRODUCT HAVING A BACKING MEMBER AND AT LAST ONE COAT OF ADDHESIVE BONDING AN ABRASIVE GRAIN LAYER FIRMLY THERETO, THE IMPROVEMENT WHICH COMPRISES: (A) AN ABRASIVE GRAIN LAYER CONTAINING A SUBSTANTIAL PROPORTION BY VOLUME OF DIAMOND GRIT,
Claim 2
Dependent Claim
41 words
IN A COATED ABRASIVE PRODUCT HAVING A BACKING MEMBER AND AT LAST ONE COAT OF ADDHESIVE BONDING AN ABRASIVE GRAIN LAYER FIRMLY THERETO, THE IMPROVEMENT WHICH COMPRISES: (A) AN ABRASIVE GRAIN LAYER CONTAINING A SUBSTANTIAL PROPORTION BY VOLUME OF DIAMOND GRIT,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |