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Official data from INPI

COMPOSIÇÃO PARA O TRATAMENTO DE TECIDOS.

Em AnáliseInvention Patent

Application data

Number

PI8603566

Type

Invention Patent

Filing

07/28/1986

Publication

03/04/1987

Progress at the INPI

  1. Filing07/28/86
  2. Publication03/04/87
  3. Examination05/05/87
  4. Allowance04/27/93
  5. Grant10/26/93
  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: 05/05/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

F. F. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8519047 · 07/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

03/04/1987

RPI 854

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 28/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

08/24/1993

RPI 1186

Deferimento

#9.1

04/27/1993

RPI 1169

Exigência - art. 36 da LPI

#6.1

11/19/1991

RPI 1094

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