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Official data from INPI

COMPOSIÇÃO DETERGENTE, AQUOSA. ABRASIVA, HOMOGÊNEA E DESPEJÁVEL, APROPRIADA PARA LIMPAR SUPERFÍCIES DURAS

Em AnáliseInvention Patent

Application data

Number

PI8600769

Type

Invention Patent

Filing

02/24/1986

Publication

11/04/1986

Progress at the INPI

  1. Filing02/24/86
  2. Publication11/04/86
  3. Examination03/31/87
  4. Allowance06/20/95
  5. Grant04/30/96
  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: 03/31/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

Y. N. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

GB

8504862 · 02/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/31/1987

RPI 858

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 24/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

10/31/1995

RPI 1300

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

6.2

01/02/1990

RPI 1000

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