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Official data from INPI

BARRA DE DETERGENTE REFORÇADA

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904343

Type

Invention Patent

Filing

08/29/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/29/89
  2. Publication04/17/90
  3. Examination04/07/92
  4. Allowance10/01/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

E. J. (pessoa física)

GB

P. P. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8820551.3 · 08/31/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/08/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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