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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE PAPEL E PLÁSTICO EM UMA MISTURA ÚMIDA E DISPOSITIVO DE SEPARAÇÃO.

Em AnáliseInvention Patent
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Application data

Number

PI8100738

Type

Invention Patent

Filing

02/06/1981

Publication

-
View on INPI

Progress at the INPI

  1. Filing02/06/81
  2. Publication
  3. Examination11/16/83
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Terminated11/16/88

The patent was granted on 12/30/1986 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Esmil B.V.

NL

Inventors

H. A. (pessoa física)

Technical data

IPC Classification

B07B 4/08

Priority claims

NL

8000791 · 02/08/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

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