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Official data from INPI

APARELHO PARA MISTURAR UM PRIMEIRO GÁS EM UM FLUXO PRINCIPAL DE UM SEGUNDO GÁS.

Em ExigênciaInvention Patent

Application data

Number

PI8400700

Type

Invention Patent

Filing

02/16/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing02/16/84
  2. Publication09/25/84
  3. Examination07/29/86
  4. Allowance07/24/90
  5. Grant02/13/91
  6. Terminated02/25/92

The patent was granted on 02/13/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hoogovens Groep B.V

NL

See this company's full portfolio

Inventors

J. O. (pessoa física)

NL

R. C. (pessoa física)

NL

W. L. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8300590 · 02/17/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/05/1989

RPI 985

6.2

06/28/1988

RPI 923

Solicitação de exame técnico

#4.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

11/06/1990

RPI 1040

Deferimento

#9.1

07/24/1990

RPI 1025

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