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Official data from INPI

PROCESSO PARA A SEPARAÇÃO DE MATÉRIAS GASOSAS OU VAPOROSAS

Em AnáliseInvention Patent

Application data

Number

PI8501860

Type

Invention Patent

Filing

04/18/1985

Publication

12/17/1985

Progress at the INPI

  1. Filing04/18/85
  2. Publication12/17/85
  3. Examination05/27/86
  4. Allowance12/04/90
  5. Grant07/30/91
  6. Terminated05/21/96

The patent was granted on 07/30/1991 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kernforschungszentrum Karlsruhe GMBH.

DE

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Inventors

B. M. (pessoa física)

DE

D. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 14 857.4 · 04/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

12/17/1985

RPI 791

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

03/19/1991

RPI 1059

Deferimento

#9.1

12/04/1990

RPI 1044

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

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