Patent US2965493A successfully refreshed from Google Patents.
Patent US3212219A successfully refreshed from Google Patents.
US3212219A
Expired / Lapsed
US
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Method of fabricating abrasive leaves
Assignee: Merit Products Inc
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Filing: 1962-01-17
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Granted: 1965-10-19
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 William G Gillett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:10
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF FABRICATING A UNITRAY PACK OF ABRASIVE LEAVES WITH AN ENLARGEMENT AT ONE OF THE PACK FOR ANCHORING THE PACK IN A FIXED UNDERCUT SLOT OF A ROTARY HUB STRUCTURE, CHARACTERIZED BY THE STEPS OF: ARRANGING A PLUALITY OF ABRASIVE LEAVES IN A PACK; APPLYING A QUANTITY OF ADHESIVE OF LOW VISCOSITY TO THE ONE END OF THE PACK TO SPREAD BY CAPILLARY ACTION INTO THE SPACES BETWEEN THE LEAVES, WITH SAID QUANTITY LIMITED TO CONTROL THE SPREADING ACTION TO A PREDETERMINED REGION FROM THE ONE END OF THE PACK;
Claim 2
Independent Claim
92 words
A METHOD OF FABRICATING A UNITRAY PACK OF ABRASIVE LEAVES WITH AN ENLARGEMENT AT ONE OF THE PACK FOR ANCHORING THE PACK IN A FIXED UNDERCUT SLOT OF A ROTARY HUB STRUCTURE, CHARACTERIZED BY THE STEPS OF: ARRANGING A PLUALITY OF ABRASIVE LEAVES IN A PACK; APPLYING A QUANTITY OF ADHESIVE OF LOW VISCOSITY TO THE ONE END OF THE PACK TO SPREAD BY CAPILLARY ACTION INTO THE SPACES BETWEEN THE LEAVES, WITH SAID QUANTITY LIMITED TO CONTROL THE SPREADING ACTION TO A PREDETERMINED REGION FROM THE ONE END OF THE PACK;
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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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |