ATE102911T1 - CUTTING TOOLS REINFORCED WITH ALUMINUM ZIRCONIA CARBIDE WHISKER. - Google Patents

CUTTING TOOLS REINFORCED WITH ALUMINUM ZIRCONIA CARBIDE WHISKER.

Info

Publication number: ATE102911T1
Authority: AT; Austria
Prior art keywords: cutting tools; carbide whisker; reinforced; aluminum zirconia; zirconia carbide
Prior art date: 1988-11-03

Application number

AT89911652T

Other languages

German (de)

Inventor

Pankaj Kumar Mehortra

Elizabeth R Billman

Original Assignee

Kennametal Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-11-03

Filing date

1989-10-13

Publication date

1994-04-15

1988-11-03 Priority claimed from US07/266,719 external-priority patent/US4959332A/en

1989-10-13 Application filed by Kennametal Inc filed Critical Kennametal Inc

1994-04-15 Application granted granted Critical

1994-04-15 Publication of ATE102911T1 publication Critical patent/ATE102911T1/en

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US07/266,719 US4959332A (en)	1988-11-03	1988-11-03	Alumina-zirconia-carbide whisker reinforced cutting tools
PCT/US1989/004585 WO1990005121A1 (en)	1988-11-03	1989-10-13	Alumina-zirconia-carbide whisker reinforced cutting tools
EP89911652A EP0441806B1 (en)	1988-11-03	1989-10-13	Alumina-zirconia-carbide whisker reinforced cutting tools

Publications (1)

Publication Number	Publication Date
ATE102911T1 true ATE102911T1 (en)	1994-04-15

Family

ID=26124733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT89911652T ATE102911T1 (en)	1988-11-03	1989-10-13	CUTTING TOOLS REINFORCED WITH ALUMINUM ZIRCONIA CARBIDE WHISKER.

Country Status (1)

Country	Link
AT (1)	ATE102911T1 (en)

1989
- 1989-10-13 AT AT89911652T patent/ATE102911T1/en not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
1994-12-15	UEP	Publication of translation of european patent specification
2001-07-15	REN	Ceased due to non-payment of the annual fee