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Official data from INPI

SISTEMA DE JATEAMENTO NÃO POLUENTE E RESPECTIVO EQUIPAMENTO

DeferidaInvention Patent
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Application data

Number

PI8503467

Type

Invention Patent

Filing

07/22/1985

Publication

02/24/1987
View on INPI

Progress at the INPI

  1. Filing07/22/85
  2. Publication02/24/87
  3. Examination10/06/87
  4. Allowance08/15/89
  5. Grant05/29/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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

Applicants and inventors

Applicants

Nortorf Máquinas e Equipamentos Ltda.

SP, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

B08B 3/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

14.4

06/07/1988

RPI 920

14.4

05/31/1988

RPI 919

14.4

05/24/1988

RPI 918

14.4

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

Carta-patente expirada

#21.1

Patente extinta em 22/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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