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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE MOLDES E MACHOS PARA FUNDIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8206406

Type

Invention Patent

Filing

11/04/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/04/82
  2. Publication09/27/83
  3. Examination11/27/84
  4. Allowance07/09/85
  5. Grant04/24/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Borden Limited

GB

Inventors

J. R. (pessoa física)

GB

P. L. (pessoa física)

GB

P. L. (pessoa física)

GB

T. R. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8203686 · 02/09/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.15

11/21/1989

RPI 996

110

02/21/1989

RPI 957

101

08/26/1986

RPI 827

Recurso

#12.1

11/05/1985

RPI 785

Deferimento

#9.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

Patente extinta em 04/11/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

04/24/1990

RPI 1015

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