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Official data from INPI

CAIXA DE PAPELÃO QUE PERMITE NOVO FECHAMENTO

PublicadaInvention Patent

Application data

Number

PI8802704

Type

Invention Patent

Filing

06/03/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing06/03/88
  2. Publication12/27/88
  3. Examination08/14/90
  4. Allowance05/17/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

W. B. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8713265 · 06/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 03/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

100

05/17/1994

RPI 1224

Petição de recurso

#12.2

11/03/1993

RPI 1196

Indeferimento

#9.2

07/20/1993

RPI 1181

Conhecimento de parecer técnico

#7.1

03/31/1992

RPI 1113

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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