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Official data from INPI

PROCESSO DE FABRICAÇÀO DE OMBREIRA PARA DORMENTE DE AÇO OU PLACA DE APOIO USANDO"DENIK"E PRODUTO RESULTANTE

Em AnáliseInvention Patent

Application data

Number

PI8704046

Type

Invention Patent

Filing

08/01/1987

Publication

02/14/1989

Progress at the INPI

  1. Filing08/01/87
  2. Publication02/14/89
  3. Examination10/24/89
  4. Allowance01/02/91
  5. Grant08/27/91
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ewem Ltd

NL

Industrial Arte Técnica S/A

RS, BR

See this company's full portfolio

Inventors

M. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 01/08/2002

07/29/2008

RPI 1960

Transferência deferida

#25.1

09/23/1997

RPI 1399

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/16/1991

RPI 1063

Deferimento

#9.1

01/02/1991

RPI 1048

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