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Official data from INPI

Processo e aparelho para fazer pacotes inundados a gás.

Em AnáliseInvention Patent

Application data

Number

PI8800472

Type

Invention Patent

Filing

02/05/1988

Publication

09/20/1988

Progress at the INPI

Awaiting grant fee payment
  1. Filing02/05/88
  2. Publication09/20/88
  3. Examination05/02/89
  4. Allowance01/08/91
  5. Grant
  6. In force

The application was allowed by the INPI on 01/08/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 05/02/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

See this company's full portfolio

Inventors

J. G. (pessoa física)

J. O. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

011.796 · 02/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/02/1989

RPI 967

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Retificação

#15.3

05/07/1991

RPI 1066

Deferimento

#9.1

01/08/1991

RPI 1049

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