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Official data from INPI

PROCESSO PARA PREPARAR UM PRODUTO ALVEJANTE E DE LIMPEZA ESTAVEL A BASE DE LIQUIDO.

ConcedidaInvention Patent

Application data

Number

PI8102203

Type

Invention Patent

Filing

04/10/1981

Publication

10/13/1981

Progress at the INPI

  1. Filing04/10/81
  2. Publication10/13/81
  3. Examination10/18/83
  4. Allowance07/12/88
  5. Grant02/28/89
  6. Terminated02/04/92

The patent was granted on 02/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V

NL

See this company's full portfolio

Inventors

B. S. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8012042 · 04/11/1980

GB

8012046 · 04/11/1980

GB

8012047 · 04/11/1980

GB

8012048 · 04/11/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/12/1988

RPI 925

Exigência - art. 36 da LPI

#6.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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