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Official data from INPI

Processo e aparelho para embalagem a vácuo em materiais de embalagem flexíveis.

Em AnáliseInvention Patent

Application data

Number

PI8404321

Type

Invention Patent

Filing

08/29/1984

Publication

07/30/1985

Progress at the INPI

  1. Filing08/29/84
  2. Publication07/30/85
  3. Examination11/12/85
  4. Allowance08/11/87
  5. Grant03/29/88
  6. Terminated09/26/89

The patent was granted on 03/29/1988 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

P. S. (pessoa física)

Technical data

Priority claims

GB

8323273 · 08/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

11/18/1986

RPI 839

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

07/30/1985

RPI 771

Pedido de patente depositado

#2.1

11/06/1984

RPI 733

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