US3288580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a diamond tool
Assignee: Naradi Narodni Podnik
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Filing: 1965-03-31
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Granted: 1966-11-29
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Curn Frantsck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:33
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/18; B24B; B24B53/00; B24B53/12; B24B53/14; B24D18/00; B24D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A METHOD OF MAKING A DIAMOND TOOL, WHICH COMPRISES (A) COATING A MOLD SURFACE WITH A LAYER OF ADHESIVE OF PREDETERMINED THICKNESS, (B) DEPOSITING ON SAID SURFACE A BODY OF LOOSE DIAMOND GRAINS IN AN AMOUNT SUBSTANTIALLY GREATER THAN THE AMOUNT OF DIAMOND GRAINS REQUIRED FOR COVERING SAID SURFACE WITH A SINGLE, CLOSELY PACKED LAYER OF SAID GRAINS, (1) THE SIZE OF SAID GRAINS BEING GREATER THAN SAID PREDETERMINED THICKNESS, (C) TUMBLING SAID BODY WHILE IN CONTACT WITH SAID SURFACE UNTIL A SUBSTANTIALLY CONTINUOUS LAYER OF SAID GRAINS IS RETAINED BY SAID LAYER OF ADHESIVE, THE BOTTOM PORTIONS OF THE RETAINED GRAINS PROJECTING FROM THE ADHESIVE, (D) REMOVING THE EXCESS OF LOOSE GRAINS NOT RETAINED, AND (E) ENBEDDING THE PROJECTING BOTTOM PORTIONS OF SAID RETAINED GRAINS IN A BACKING MATERIAL WHILE THE BACKING MATERIAL IS AT LEAST PARTLY LIQUID, (F) SOLIDIFYING THE BACKING MATERIAL, AND (G) SEPARATING THE SOLIDIFIED BACKING MATERIAL AND SAID RETAINED GRAINS PARTLY EMBEDDED IN THE BACKING MARIAL FROM SAID MOLD SURFACE.
Claim 2
Independent Claim
165 words
A METHOD OF MAKING A DIAMOND TOOL, WHICH COMPRISES (A) COATING A MOLD SURFACE WITH A LAYER OF ADHESIVE OF PREDETERMINED THICKNESS, (B) DEPOSITING ON SAID SURFACE A BODY OF LOOSE DIAMOND GRAINS IN AN AMOUNT SUBSTANTIALLY GREATER THAN THE AMOUNT OF DIAMOND GRAINS REQUIRED FOR COVERING SAID SURFACE WITH A SINGLE, CLOSELY PACKED LAYER OF SAID GRAINS, (1) THE SIZE OF SAID GRAINS BEING GREATER THAN SAID PREDETERMINED THICKNESS, (C) TUMBLING SAID BODY WHILE IN CONTACT WITH SAID SURFACE UNTIL A SUBSTANTIALLY CONTINUOUS LAYER OF SAID GRAINS IS RETAINED BY SAID LAYER OF ADHESIVE, THE BOTTOM PORTIONS OF THE RETAINED GRAINS PROJECTING FROM THE ADHESIVE, (D) REMOVING THE EXCESS OF LOOSE GRAINS NOT RETAINED, AND (E) ENBEDDING THE PROJECTING BOTTOM PORTIONS OF SAID RETAINED GRAINS IN A BACKING MATERIAL WHILE THE BACKING MATERIAL IS AT LEAST PARTLY LIQUID, (F) SOLIDIFYING THE BACKING MATERIAL, AND (G) SEPARATING THE SOLIDIFIED BACKING MATERIAL AND SAID RETAINED GRAINS PARTLY EMBEDDED IN THE BACKING MARIAL FROM SAID MOLD SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |