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Official data from INPI

INSTALAÇÃO PARA REMOVER IMPUREZAS FIANTES, ESPECIALMENTE ARAMES, DE DESAGREGADORES DE MASSA

PublicadaInvention Patent

Application data

Number

PI8600596

Type

Invention Patent

Filing

01/31/1986

Publication

09/01/1987

Progress at the INPI

  1. Filing01/31/86
  2. Publication09/01/87
  3. Examination02/01/90
  4. Allowance03/03/92
  5. Grant01/26/93
  6. Terminated09/26/95

The patent was granted on 01/26/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J.M. Voith GmbH

DE

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Inventors

H. Z. (pessoa física)

DE

W. K. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/01/1987

RPI 880

Pedido de patente depositado

#2.1

08/05/1986

RPI 824

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

01/26/1993

RPI 1156

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/03/1992

RPI 1109

Exigência - art. 36 da LPI

#6.1

08/06/1991

RPI 1079

Solicitação de exame técnico

#4.1

02/01/1990

RPI 1004

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