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Official data from INPI

APARELHO PARA A SEPARACAO DE VEICULOS FERROVIARIOS

ConcedidaInvention Patent

Application data

Number

PI8400671

Type

Invention Patent

Filing

03/30/1983

Publication

02/05/1985

Progress at the INPI

  1. Filing03/30/83
  2. Publication02/05/85
  3. Examination12/23/86
  4. Allowance06/28/88
  5. Grant02/28/89
  6. Terminated02/25/92

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOESCH WERKE AG [DE]

Inventors

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/23/1986

RPI 844

Publicação do pedido de patente

#3.1

02/05/1985

RPI 746

Pedido de patente depositado

#2.1

05/02/1984

RPI 706

Anuidade - prazo legal encerrado

#18.2

02/25/1992

RPI 1108

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