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Official data from INPI

PROCESSO PARA O TINGIMENTO DE COURO OU PELES

ConcedidaInvention Patent

Application data

Number

PI8201600

Type

Invention Patent

Filing

03/23/1982

Publication

02/08/1983

Progress at the INPI

  1. Filing03/23/82
  2. Publication02/08/83
  3. Examination04/09/85
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

A. P. (pessoa física)

CH

Technical data

Priority claims

CH

1951/81 · 03/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

Carta-patente expirada

#21.1

Patente extinta em 23/03/97

07/01/2008

RPI 1956

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