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Official data from INPI

APARELHO DE CLASSIFICAÇÃO POR CORES.

Em AnáliseInvention Patent

Application data

Number

PI8706676

Type

Invention Patent

Filing

12/09/1987

Publication

08/23/1988

Progress at the INPI

  1. Filing12/09/87
  2. Publication08/23/88
  3. Examination12/06/88
  4. Allowance10/06/92
  5. Grant05/25/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Satake Engineering Co., Ltd., companhia japonesa.

JP

Inventors

T. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

31858/87 · 02/14/1987

JP

33929/87 · 02/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

08/23/1988

RPI 931

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 09/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/25/1993

RPI 1173

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

Deferimento

#9.1

10/06/1992

RPI 1140

Exigência - art. 36 da LPI

#6.1

12/24/1991

RPI 1099

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