Patent US3747281A successfully refreshed from Google Patents.
US3747281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool for forming shaped articles
Assignee: Individual
•
Filing: 1970-03-11
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Granted: 1973-07-24
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Expires: 1990-03-11
Abstract
Abstract A cutting tool for forming articles which acquire in the process of machining the negative shape of said tool. The tool consists of a holder and a shaped cutting element made of a compound based on polymers and cutting particles and fastened to said holder by a joint which is capable of withstanding the load imposed by the forces of cutting and of being easily destroyed during the replacement of the cutting element.
Inventors
- 👤 D Fedjukin
- 👤 B Sitnyakovsky
- 👤 S Tsyplakov
- 👤 J Deryabin
- 👤 S Fedotova
- 👤 G Bezverkhny
- 👤 E Goloskov
- 👤 E Annenberg
- 👤 I Gorlina
- 👤 A Kravets
- 👤 P Korochkin
- 👤 A Aronov
- 👤 L Sergeeva
- 👤 A Bakharev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:06
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/22; B24; B24B; B24B35/00; B24B35/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
16 words
A tool as claimed in claim 1 wherein said material of said binder means is gypsum.
Claim 2
Dependent Claim
17 words
A tool as claimed in clAim 1 comprising needles embedded in said cutting element and binder means.
Claim 3
Dependent Claim
22 words
A tool as claimed in claim 1 wherein said binder means is constituted of the same polymeric material as the cutting element.
Claim 4
Dependent Claim
23 words
A tool as claimed in claim 1 wherein said holder is steel, and said particles are diamond, boron carbide, corundum, or silicon carbide.
Claim 5
Dependent Claim
20 words
A tool as claimed in claim 1 wherein said polymeric material is 20-60 percent by weight of said cutting element.
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |