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Official data from INPI

CONEXAO DE GAS COMPRIMIDO DE UMA INSTALACAO DE LAVAGEM DE RETORNO

Em AnáliseInvention Patent

Application data

Number

PI8005230

Type

Invention Patent

Filing

02/12/1980

Publication

-

Progress at the INPI

  1. Filing02/12/80
  2. Publication
  3. Examination10/27/81
  4. Allowance01/13/87
  5. Grant08/25/87
  6. Terminated07/12/88

The patent was granted on 08/25/1987 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTENSIV FILTER GMBH

Inventors

K. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/13/1987

RPI 847

Conhecimento de parecer técnico

#7.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

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