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Official data from INPI

MÉTODO PARA FABRICAÇÃO DE UM COMPOSTO DE MATRIZ DE METAL, UMA CO-MATRIZ METÁLICA E/OU CERÂMICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905618

Type

Invention Patent

Filing

11/01/1989

Publication

06/05/1990

Progress at the INPI

  1. Filing11/01/89
  2. Publication06/05/90
  3. Examination07/23/91
  4. Allowance11/07/00
  5. Grant02/20/01
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lanxide Technology Company, LP

US

See this company's full portfolio

Inventors

A. N. (pessoa física)

US

C. K. (pessoa física)

US

M. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

269,369 · 11/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/02/2011

12/26/2012

RPI 2190

Concessão da patente

#16.1

02/20/2001

RPI 1572

Deferimento

#9.1

11/07/2000

RPI 1557

Exigência - art. 36 da LPI

#6.1

12/21/1999

RPI 1511

Exigência - art. 36 da LPI

#6.1

06/16/1998

RPI 1434

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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