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Official data from INPI

SISTEMA ALIMENTADOR DE LIQUIDOS.

ConcedidaInvention Patent

Application data

Number

PI8405156

Type

Invention Patent

Filing

10/11/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing10/11/84
  2. Publication08/27/85
  3. Examination06/24/86
  4. Allowance05/24/88
  5. Grant12/27/88
  6. Terminated05/14/96

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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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. K. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8327418 · 10/13/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

6.2

09/22/1987

RPI 883

Solicitação de exame técnico

#4.1

06/24/1986

RPI 818

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

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