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Official data from INPI

PROCESSO DE PRODUÇÃO DE CORPOS COMPOSTOS DE MATRIZ METÁLICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003429

Type

Invention Patent

Filing

07/16/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/16/90
  2. Publication08/27/91
  3. Examination10/06/92
  4. Allowance09/08/99
  5. Grant02/08/00
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. 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

R. D. (pessoa física)

IN

R. K. (pessoa física)

US

S. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

381,523 · 07/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

09/08/1999

RPI 1496

Exigência - art. 36 da LPI

#6.1

03/02/1999

RPI 1469

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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