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Official data from INPI

PROCESSO PARA FABRICAR BARRAS DE DETERGENTE

PublicadaInvention Patent

Application data

Number

PI8705029

Type

Invention Patent

Filing

09/29/1987

Publication

05/24/1988

Progress at the INPI

  1. Filing09/29/87
  2. Publication05/24/88
  3. Examination10/23/90
  4. Allowance08/15/95
  5. Grant04/30/96
  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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

P. P. (pessoa física)

GB

T. M. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8623424 · 09/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/24/1988

RPI 918

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 29/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

01/16/1996

RPI 1311

Deferimento

#9.1

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

09/14/1993

RPI 1189

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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