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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE COURO

Em AnáliseInvention Patent

Application data

Number

PI8604452

Type

Invention Patent

Filing

09/17/1986

Publication

05/19/1987

Progress at the INPI

  1. Filing09/17/86
  2. Publication05/19/87
  3. Examination05/16/89
  4. Allowance01/19/93
  5. Grant07/27/93
  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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm GMBH

DE

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Inventors

D. C. (pessoa física)

DE

D. T. (pessoa física)

DE

E. P. (pessoa física)

DE

Technical data

Priority claims

DE

P 35 33 203.4 · 09/18/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

05/19/1987

RPI 865

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

Patente extinta em 17/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/04/1993

RPI 1170

Deferimento

#9.1

01/19/1993

RPI 1155

Exigência - art. 36 da LPI

#6.1

09/10/1991

RPI 1084

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