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Official data from INPI

COMPONENTE DE PENEIRAGEM PARA FUNDOS DE PENEIRAS DE SISTEMAS

Em ExigênciaInvention Patent

Application data

Number

PI8605885

Type

Invention Patent

Filing

12/02/1986

Publication

08/25/1987

Progress at the INPI

  1. Filing12/02/86
  2. Publication08/25/87
  3. Examination12/08/87
  4. Allowance01/23/90
  5. Grant08/28/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Steinhaus GmbH

DE

Inventors

K. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 35 42 635.7 · 12/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/15/1989

RPI 982

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

08/25/1987

RPI 879

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Carta-patente expirada

#21.1

Patente extinta em 02/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

05/22/1990

RPI 1019

Deferimento

#9.1

01/23/1990

RPI 1003

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