Patent US5549975A successfully refreshed from Google Patents.
US5549975A
Expired / Lapsed
US
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Coated tool and cutting process
Assignee: Oerlikon Surface Solutions AG Pfaeffikon
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Filing: 1994-07-20
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Granted: 1996-08-27
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Expires: 2014-07-20
Abstract
Abstract A coated tool consisting of a cermet body and a refining layer thereon. The refining layer is a wear resistant layer of (Ti, Me) N, wherein Me is at least one metal which forms a stable oxide at a temperature above 700° C.
Inventors
- 👤 Hans Schulz
- 👤 Josef Maushart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:59
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/04; B24D3/06; B24D3/08; C; C23; C23C; C23C14/00; C23C14/06; C23C14/0641; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12049; Y10T428/12056; Y10T428/12063
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
42 words
A coated tool consisting of a cermet body and a refining layer thereon, whereby the refining layer is a wear resistant layer of (Ti,Me)N, wherein Me is at least one metal which forms a stable oxide at a temperature above 700° C.
Claim 2
Dependent Claim
42 words
A coated tool consisting of a cermet body and a refining layer thereon, whereby the refining layer is a wear resistant layer of (Ti,Me)N, wherein Me is at least one metal which forms a stable oxide at a temperature above 700° C.
Claim 3
Dependent Claim
14 words
The tool according to claim 1, wherein said at least one metal is aluminum.
Claim 4
Dependent Claim
10 words
The tool according to claim 1 being a cutting tool.
Claim 5
Dependent Claim
22 words
The tool according to claim 1 being one of a milling tool, a turnover cutting plate, a thread drill and a drill.
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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) | 1999-08-27 | 2000-02-26 | 2000-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-08-27 | 2004-02-26 | 2004-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-08-27 | 2008-02-26 | 2008-08-27 | $7700.00 | Window Closed / Lapsed |